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Published byJaida Julson Modified over 9 years ago
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MUST and HAVE TO Modal auxiliary verbs FORMMust + V 1 (base verb) Have to + V 1 (base verb) Examples: I must go home. You have to do your homework. USE Must = I believe it’s true Have to = It’s based on a fact Examples: It’s getting dark, I must go now. You have to fasten your seat belt when driving.
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Positive, negative and questions MUST -s He must study hard if he wants to go to university. don’t mustn’t = not allowed You mustn’t touch pictures in the museum. Do Must I go? HAVE TO - s He has to take an exam at the end of the year. don’t have to = isn’t necessary You don’t have to go if you don’t want. Do Do I have to write it all?
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Tenses Use must in present tense Use had to in past tense Use will have to in future tense Use have to with other auxiliary verbs ___________________________________ Examples: We must do sports regularly if we want to be fit. They had to do overtime yesterday. I will have to get up early tomorrow to catch my plane. You may have to make coffee as well.
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SHOULD Form Should + V1 (base verb) You should learn more. don’t You shouldn’t meet him. Do? Should I accept the offer? Use Should = advice, it would be a good idea
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Should and Must Should = advice I think you should read more, you would be more intelligent. I don’t think you should eat that, it smells terrible. Must = strong recommendation You must go to the doctor, because it looks serious. You must see that film, because it was fantastic.
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Example Sentences You mustn’t walk on the grass. You shouldn’t tell lies, it’s bad. I must be back by 8o’clock. She has to take her son to school. You should stop smoking. Children don’t have to go to school on Saturday.
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