Modal verbs Rules They are followed by a
Modal verbs • Rules – They are followed by a verb in the base form • I can run very fast – They are the same for all the pronouns • She/they/I/ you could make it better – They do not need auxiliars. They take direct negative and qestion forms • You can’t smoke here / Can you repeat that? – They never combine with another modal verbs • You can’t must read**
SHOULD AND MUST Should is used for advices and recommendations • You should read books in English if you want to improve your vocabulary • She shouldn’t smoke because she is always coughing • Where should we go next summer? Must is used to talk about strong obligations and prohibitions. They are usually related with laws and rules. • I must go now , I start working in five minutes • You must wear a helmet to drive a motorbike • He mustn’t drink alcohol, he is underage STRUCTURE SUBJECT + SHOULD/MUST+ BASE FORM OF THE VERB (without to) SUBJECT + SHOULDN’T/MUSTN’T + BASE FORM OF THE VERB SHOULD/MUST + SUBJECT + BASE FORM?
HAVE TO / DON’T HAVE TO Have to – something you need to do following a rule • You have to clean your room everyday if you want to use the computer • My sister has to eat some chocolate before going to bed • Where do we have to buy the tickets for the concert? Don’t have to – something which is not necessary • I don’t have to go to school today, it’s Friday • You don’t have to wear a long dress to go to the party • He doesn’t have to buy me a present, it is not necessay STRUCTURE SUBJECT + HAVE/HAS TO + BASE FORM OF THE VERB (without to) SUBJECT + DON’T /DOESN’T HAVE + BASE FORM OF THE VERB DO/DOES + SUBJECT + HAVE + BASE FORM?
• MUST AND HAVE TO I must study tonight / I have to study tonight (sometimes it depends on the intention of the speaker, or what he considers important, an obligation) • I have to find a job because I need to pay the rent • She doesn’t have to cook because she is not going to eat a home
• http: //www. eslgamesplus. com/must-cant-modalmoonshot/ • http: //s. mound. free. fr/skyblues 67/modals/mustn%2 7 t. htm (what mustn’t you do at school? ) • http: //www. english-grammarlessons. com/musthaveto/exercise 7. swf (mustn’t and don’t have to) • http: //www. ejerciciodeingles. com/ejercicios-verbosmodales-must-have-to-expresar-obligacion-rellenarhuecos/ (must and have to) • http: //www. englishgrammarsecrets. com/musthavet o/exercise 7. html (must and have to) • http: //www. better-english. com/easier/must 2. htm
Other modal verbs • • • Can Could Need to Needn’t Ought to May / Might
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