Вставьте: can, must, need. 1.Alice practice so much if she wants to take part in the marathon.
2.If he wants to improve your English, he work very hard.
3.Tom not come to help them tomorrow: the work is done.
4.Harry not change the whole text as the beginning is all right.
5.Tim not tell us the rules of the game: we know them.
6.They not afford to pay the bill.
7.It is already nine o’clock. We hurry if we don’t want to be late.
8.He decorate a room nicely.
9.He take care of his parents.
10.You stay with my brother when you are in Paris.

1.I'm reading the book now - Present ContinuousI often read the book - Present SimpleI read the book yesterday. - Past Simple I've just read the book. - Present PerfectI'll read the book tomorrow. - Future SimpleI was reading the book from 7 to 9. - Present Continuous2.He is helping his mum now. -  Present Continuous

He  helps his mum on Sundays. - Present Simple

He  helped his mum last Sunday. - Past Simple
He  has already helped his mum - Present Perfect
He will help his mum next Sunday -  Future Simple

1.I'm reading the book now - Present ContinuousI often read the book - Present SimpleI read the book yesterday. - Past Simple I've just read the book. - Present PerfectI'll read the book tomorrow. - Future SimpleI was reading the book from 7 to 9. - Present Continuous2.He is helping his mum now. -  Present Continuous

He  helps his mum on Sundays. - Present Simple

He  helped his mum last Sunday. - Past Simple
He  has already helped his mum - Present Perfect
He will help his mum next Sunday -  Future Simple