V/

1.wish

->wished

2.didn't rained

->didn't rain

3.was

->were

4.have

->had

5.wishes

->wish

6.gives

->gave

7.studied

->had studied

8.will

->would

9.stops

->stopped

10.are

->were

11.is

->was

12.will

->would

13.am

->was

14.could been

->could be

15.wish

->wished

VI/

1.I wish I had to study hard.

2.I wish we didn't had a lot of homework yesterday.

3.I wish it was sunny.

4.I wish it was hot last night.

5.I wish they worked faster.

6.I wish I was good at English.

7.I wish he studied well.

8.I wish I had a computer.

Chúc bạn học tốt ^_^!!!
(Nếu thấy hay hãy vote 5*,cảm ơn và bình chọn là câu trả lời hay nhất để mik có động lực giải tiếp các BT khác nhé!)