21 He (be) ………………….…… in this school since 2018.
22. I wish he (not fail) …………………….…….his exam.
23. She (not speak) ……………………………. to me for over three months.
24. You (be) …………….…… ill if you drink that water.
25. The film (already/ begin)….…………………………. when we got to the cinema.