B. Underline and correct the mistake in the followung sentences? 21. They would rather like to go for a walk in the evenings. -> 22. I think the weather is going to be fine tomorrow. -> 23. It is impossible for me be there before 8p.m -> 24 He is the best successful businessman -> 25. She has started learning to drive two weeks ago. -> 26. Unless she will study hard, she will fail the exam. -> 27. They are going to invite some friends to our wedding party on next Saturday. ->

21. They would rather like to go for a walk in the evenings.
`->` would like

`-` Would rather + V-inf

`-` Would like to V-inf
22. I think the weather is going to be fine tomorrow.
`->` will be

`-` "I think" nên không có căn `->` TLĐ
23. It is impossible for me be there before 8p.m
`->` to be

`-` It'adj for sb to do sth: Nó thật như thế nào đấy cho ai đó làm gì
24 He is the best successful businessman
`->` most

`-` So sánh nhất với adj dài: most + adj
25. She has started learning to drive two weeks ago.
`->` started

`-`C1: S + started/ began + V+ ing/ to  + V_{bare - inf} + khoảng thời gian + ago

=C2:   S + have/ has + P_II + for + khoảng thời gian

26. Unless she will study hard, she will fail the exam.
$-> studies$

`-` Điều kiện loại 1: If + S + V(HTĐ), S + will/can + V-bare

`-` Unless= If not
27. They are going to invite some friends to our wedding party on next Saturday.
`->` bỏ