Bài giảng modal verbs

VERBS Main contents: I II III IV V Definition of modal verbs Characteristics Form Usage Exercise and recap I DEFINITION: Modal verbs ( or Modal auxiliary verbs) are special verbs such as: Can Shall Could Should Will May Would Might Must They are used with another verb to express an idea such as possibility, necessity that are not expressed by the main verb of a sentence II CHARACTERISTICS - All modal verbs have some special characteristic you should remember : EXAMPLE: Mary can play the guitar quite well They are always followed by an infinitive without “to” They never change their form for all subjects Modal verbs don’t take “-s” in the third person singular You cannot say: she/he wills or she/he cans Like the other auxiliary verbs (be, have and do) in negatives, questions, tags and so on - Use “not/n’t” to make modal verbs negative E.g: I cannot/can’t speak english - It comes before the subject in questions E.g: Can you speak English? Many modal verbs cannot be used in the past tenses or the future tenses E.g: He will can go with us. Not Correct She musted study very hard. Not Correct Some different expressions: -Be able to -Be allowed to -Have (got) to  III FORM: (+) S+ modal verbs+ bare infinitive  E.g: (-) S+ modal verbs+ not+ bare infinitive  E.g: You must not/ mustn’t smoke here In England, you -(drive) on the left have to drive Star t 10 11 12 You missed a great party last night You(come) should have come  Marcela didn't come to class yesterday She (have) _ an accident may have had John still hasn't come out He (prepare) everything for the trip now Must be preparing  "Where you think Rooney is today?" "I have no idea He (sleep) _ late." may have slept These two boys look identical They (be) _ twins must have been “Oh no, I(say)………….that “, she said, clapping a hand over her mouth shouldn’t have said I’ve got a terrible cold I(catch)……… it from someone at work must have caught The photos are black The X-ray at the airport (damage) _ them must have damaged  Thomas received a warning for speeding He (drive) _ so fast shouldn’t have driven 10  Unless he runs, he(catch) train won’t catch the 11 Leave early so that you (miss) the bus won’t miss 12 Smoking(have)………… a bad effect on your health can have .. .VERBS Main contents: I II III IV V Definition of modal verbs Characteristics Form Usage Exercise and recap I DEFINITION: Modal verbs ( or Modal auxiliary verbs) are special verbs such... -Have (got) to  III FORM: (+) S+ modal verbs+ bare infinitive  E.g: (-) S+ modal verbs+ not+ bare infinitive  E.g: You must not/ mustn’t smoke here (?) Modal verbs+ S+ bare infinitive?  E.g:... on - Use “not/n’t” to make modal verbs negative E.g: I cannot/can’t speak english - It comes before the subject in questions E.g: Can you speak English? Many modal verbs cannot be used in the