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Grammar review
Must / mustn’t Unit 6
The modal verb must is used only in the Present simple. It has the same form for all persons
and is followed by the base form of the verb.
The negative form is must not (mustn’t).
The interrogative form is Must I? Must you? Must he? etc.
Must / mustn’t + base form of the verb expresses prohibition, advice, obligation imposed by
the speaker (not imposed by external circumstances).
I must go with my friends (I feel obliged to go with my friends.).
I mustn’t be late (I feel I mustn't be late.).
Adverbs of manner Unit 6
Adverbs of manner tell us how an action is done. They are formed by adding ly to the adjective:
quiet quietly;
if the adjective ends in y, ily is added:
easy easily
Not all words ending in ly are adverbs, for example elderly, lonely, silly etc. are adjectives.
Some adverbs are irregular, for example well is the adverb form of good.
Fast, hard, and late can be used as adjectives or adverbs:
a fast train; to run fast; a hard worker; to work hard; a late breakfast; to arrive late.
Present continuous for future Unit 7
The Present continuous is used for a planned future action.
He’s meeting the President on Monday.
I’m talking to him tomorrow. Are you going tomorrow?
They are seeing her on Tuesday. We aren’t playing football tomorrow.
Time prepositions on /at / in Unit 7
We use on with days of the week and dates.
On Monday. On the 1st of July.
We use at with times. At 4 pm. At noon.
We use in with month and years. In July. In 1972.
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