I was browsing a completely unrelated site and came across the following interesting discussion on the ever increasing proliferation of the phrase, "must of":You mean "must have", btw. The bus passengers must have heard a crunch. Or "must've". However, they are used differently depending on who imposes the obligation. In British English there is some difference between them. MUST. “You must be here by 1:00pm.” In this sentence, the use of “must” gives more import to the need to be here by 1:00pm. We normally use must when to talk about obligations that come from the opinion of the speaker. Use the negative form of "need to" to express that something isn't necessary, but possible. You mustn't be late for work on your first day. (sound) The car passengers must have escaped out the back. (It is not my decision - my husband asked me to buy them.) “I must go and see them sometimes.” I must admit, it was a frightening experience. While must defines the exigency of doing something, have to denote an obligation which is imposed by someone else. In other words, it’s not a rule. must/mustn’t, have to/don’t have to – form . I have to take these pills twice a day (the doctor told me to) I must study harder (this comes from my own motivation) When talking about the obligation in the past, we always use had to. Use "must" to express something that you or a person feels is necessary. 5-6-7 Mustn't vs Don't Have to Exercises 1 / 2 / 3 8-9-10 Must vs Have to / Has to Exercises 1 / 2 / 3 11. How to use must in a sentence. For example: "I must park my car over there. Must means that the obligation to do something comes from the speaker. We use have to to talk about an action that is necessary because of rules or laws, or because someone obliges us to do it: We make negatives, questions and short answers with a form of do: In positive sentences we can often use must and have to with little difference in meaning, because many things are important both because we think so and because there are rules: Note the difference in meaning between mustn’t and don’t have to. We include have to here for convenience. In the negative form, an interdiction with must not (or mustn’t). I had to study harder. (NOT I must to go to the doctor. Modal Verbs. Modals With Passive Voice 1 / 2 14. Must and have to. It emphasizes the importance or need of something. In this lesson, you can learn about the modal verbs must, have to and should.Do you know the difference between 'must', 'have to' and 'should'? "Don't have to" is used to express that something is not required. We usually use must to talk about obligations which come from the speaker and we generally use have (got) to when we refer to obligations that come from outside the speaker. (NOT I must to go to the doctor.) You must go. Need, when followed by to and a verb, is the narrowest of the three verbs. IMPORTANT: The past form of "have to" and "must" is "had to." I must go now. ; You must arrive in class on time. ; You must wear a seatbelt at all times. Must is a modal verb, and modal verbs are followed by infinitive without to.. I must memorize all of these rules about modal verbs. The speaker thinks it’s necessary or important to do something. However, "must" is generally used for strong personal obligations and "have to" is used for responsibilities at work and in everyday life. ♦ I have to buy flowers for my mother-in-law. MUST is used to talk about what the person himself wants. "Must" does not exist in the past. Use must + infinitive without to. You must not use a calculator during the exam. have to, must Have to is NOT an auxiliary verb (it uses the verb have as a main verb). Humans must have drinking water at least every two days. "Must" is also used to give a strong recommendation: You must tell him before it's too late. However, "must" is generally used for strong personal obligations and "have to" is used for responsibilities at work and in everyday life. must example sentences. Definition of Must Must is a helping verb, which can be used in sentences to show compulsion or obligation. Humans must have drinking water at least every two days. We use must when the speaker thinks it is necessary or important to do an action: We make negatives, questions and short answers like this: 2. Must and have to. The crucial difference between should, ought to and must, is based on the extent to which they emphasize, in the sense that must is the most emphatic of the trio. Use "have to" in the past, present, and future to express responsibility or necessity. As such, many people use them in this way with no distinction. ; You must give up smoking, it's bad for you. Additionally, … It is most often used … Have to Do—Responsibilities. You mustvisit the Colosseum when you will go to Roma. In English, we use the words must and have to when we want to say that something is to be done necessarily or compulsorily. How To Use MUST 1. It is, however, possible if so desired. Must and Have to, Mustn’t and Don’t have to. Hence, it doesn't make sense to use them together.. See here for a detailed explanation.. From the site: We often use must for more personal opinions about what it is necessary to do, and have to for what somebody in authority has said it is necessary to do.. Spelling it 'must of' is wrong. … (past simple.) Must "Must" is also used to talk about obligation and is used in written rules and instructions: You must submit your proposal by noon on 12th July. Must definition: You use must to indicate that you think it is very important or necessary for something... | Meaning, pronunciation, translations and examples "She must have left the house by now; it’s nearly 11 o'clock." ; You must wear a seatbelt at all times. I had to take those pills twice a day. When we use ‘must’ this usually means that some personal circumstance makes the obligation necessary. However, it can also be used to show that … (It's her birthday and I decide to do that.) Must may also make a recommendation: 1. We use must to express a stronger point of view. The modal must also expresses opinion, one person’s point of view. You must stop playing computer games. A reader asks for clarification on these three common verbs. have to, must Have to is NOT an auxiliary verb (it uses the verb have as a main verb). I must remember to get a present for Daisy. Spelling it 'must of' is wrong. 1. We use "must have", "can't have" and "might have" in the same way as the present perfect - the action we are describing happened, or did not happen, in the past and is still true in the present. We must fasten our seatbelts. You mustsee this movie ! Must means that the obligation to do something comes from the speaker. For example: "I … Comma Rules: 8 Rules for Using Commas Correctly! You must abide by the law. Sarah: Why not? Let’s look at all its meanings here, so you can avoid misunderstandings! We make negatives, questions and short answers like this: You mustn’t go. ; You must give up smoking, it's bad for you. I must admit, … In English, we use "must" and "have to" to express a strong rule or law. Must "Must" is also used to talk about obligation and is used in written rules and instructions: You must submit your proposal by noon on 12th July. English Grammar: ANOTHER vs OTHER vs OTHERS vs THE OTHER, Suffixes: Words Ending with Suffixes “-ent/-ence” and “-ant/-ance”, Opposites: List of 100 Common Opposites in English, Verb Forms: List of Regular and Irregular Verbs in English, Learn English Grammar with Pictures: 15+ Grammar Topics, Prefixes: List of 50+ Common Prefixes in English. “We need to …” “We have to…” The modal must also expresses opinion, one person’s point of view. “Must”, as we know, is used with obligation in English. I suspect that "must of" is one of those phrases which is on the cusp of changing from "ever so wrong" into something that is perfectly acceptable. We use “ must have ” + past participle to express deductions and conclusions from the past. Mark: She must have been ill. Here is Audio Word Study #084 on DailyStep.com In today’s Word Study, I’ll explain how to use the modal verbs MUST and CAN’T when you are expressing logical conclusions in English.Let’s take a closer look at some of the structures in the story above, Harry must be crazy! See here for a detailed explanation. When expressing obligation, the past of must and have to is always had to: I had to wash my car yesterday . Example sentences with the word must. You mustn’tshow it to anybody. In terms of creating a sentence with “must”, the word order is not difficult. Both MUST and HAVE TO express obligation. You must go. NOTE: "have to" is conjugated as a regular verb and therefore requires an auxiliary verb in the question form or negative. "Mustn't" is used to express that something is prohibited. Rules and laws You must not use a calculator during the exam. 33. ID: 31964 Similar to have to – strong obligation. ~ Yes, I must. “We need to …” “We have to…” The modal must also expresses opinion, one person’s point of view. A CONCLUSION: The car driver must have panicked when he saw the buses moving in on both sides. (= It is important that you go.) Must have expresses a conclusion about what happened (past), and is based on putting details and clues together and making an inference (a sure guess). 1. This form is often used for something that is important one time, rather than referring to a responsibility or duty. Which form we use depends on whether we want to express obligation or if we want to say how certain we are about the probability of something happening. 2. Examples: Mark: Jane didn’t eat anything yesterday. 2. We use have to to talk about an action that is necessary because of rules or laws, or because someone obliges us to do it: Doctors sometimes have to work on Sunday. We can also use ‘must… 1. Both MUST and HAVE TO express obligation. Using MUST in English. 3. English Grammar: Must and Have to, Mustn’t and Don’t Have to, Must vs. Have to, and Mustn’t vs. Don’t Have to, Must and Have to, Mustn’t and Don’t Have to, Must and Have to, Mustn’t and Don’t Have to | Image, Antonym List Using “MIS, DIS, UN, IM, IN” Prefixes, Using the Present Continuous Tense in English, Subject-Auxiliary Inversion | English Grammar, 10+ Common English Expressions with CAN’T, LIKE and ALIKE: Useful Difference between Like and Alike, Prefixes and Suffixes – Definition and Examples …, 250+ Frequently Used Collocations List in English, Top 70+ Most Popular Contractions in English …, Commonly Confused Words: 7 English Word Pairs …, English Idioms: Learn English Idioms with Topics, Visual Dictionary: Vocabulary with Pictures, Commonly Confused Words: 7 English Word Pairs that Confuse Absolutely Everyone, Infinitives: List of 50+ Verbs Followed by Infinitives in English, SO and SUCH: Difference Between So and Such (with Useful Examples). Learn English idioms with …. Fans must use the swipe card to gain entry but an electronics system failure meant many could not get through. Verb (head) to do with certainty; (indicates that the speaker is certain that the subject will have executed the predicate) If it has rained all day, it must be very wet outside. MUST is used to talk about what the person himself wants. Have to implies that the obligation comes from someone else; it’s something the speaker can’t change. The meeting is at nine. (No other … At nearly every step, the team must overcome complex technical hurdles, most of which have never before been faced. It will be very useful. They are both followed by the infinitive. Example sentences with the word must. We use must to Express a stronger point of view. must vs have to . This also refers to laws and regulations. Must or Have to It´s a worksheet with a short grammar explanation on the use of MUST, MUSTN´T, HAVE TO and DON´T HAVE TO and some activities to practise. The manager thinks it’s necessary.) must example sentences. The modal verb must has two past tense forms: had to and must have. Must and have to are both used for obligation and are often quite similar. Jane: He must have missed the bus. ~ Yes, I must. What’s the Difference? 33. In this grammar les... Do we say "I must do my homework" or "I have to do my homework"? MUST. We mustn’twear a cap in the classroom. 3. We use must to express a stronger point of view. ; 2. "Must" is also used to give a strong recommendation: You must tell him before it's too late. Have to can play the role of must in the past (had to) present, and future tenses. Must-have definition, something considered absolutely necessary or essential to own: This cookbook is a must-have for chocolate lovers. We use have to / must / should + infinitive to talk about obligation, things that are necessary to do, or to give advice about things that are a good idea to do. Sometimes, "must" and "have to" can be used to speak about responsibilities. (note: we use ' I must admit' before a surprising or negative comment. Use "need to" to express that something is important for you to do. So, it is obvious that the degree of emphasis is least when we use should in our sentence. Must or have to followed by an infinitive are used to express obligation. Verb (head) to do with certainty; (indicates that the speaker is certain that the subject will have executed the predicate) If it has rained all day, it must be very wet outside. (It is in the rules of their work.) Learn the definition, meaning, and …, Collocations in English! Must have expresses an opinion about an earlier (past) situation. They are both followed by the infinitive. On the other hand, ought to is less emphatic than must, but more than should. Modal Verbs. At times, English speakers use "don't need to" to express that they don't expect someone to do something. I must go now. 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