7 Rice and vegetables are planted in many countries(S + be + V3 (+ by Sb/ O))

8 he wishes he had a washing machine at home ( S + wish(es) + (that) + S + V-ed)

9 the bill should be paid before leaving hotel (S + modal verb + be + V3 (+ by O)

10 he hasn't met his girl friend since 2015(S + have/ has+(not) + V3

11 experiments should be stoped on animals (S + modal verb + be + V3 (+ by O)

`7.` Rice and vegetables is planted in many countries. 

- Bị động thì HTD

- Form: S + am/is/are + VpII + (by + O) 

`8,` He wishes he had a washing machine at home.

- Câu ước ở Hiện tại

- S + wish(es) + (that) + S + V2/V-ed + ...

- Diễn tả một điều trái với sự thật

`9.` The bill should be paid before leaving hotel.

- Câu bị động với should

- S + should + be + VpII + (by + O)

`10.` He hasn't met his girl friend since 2015.

- Form: The last time + S + V2/V-ed + ... + in + time

`->` S + haven't/hasn't + VpII + ... + since + time

`11.` Experiments should be stopped on animals.

- Câu bị động với should

- S + should + be + VpII + (by + O)