1.

(+) You should decide now.

(-) You shouldn't decide now.

(?) Should you decide now ?

2.

(+) He can change his decision.

(-) He can't change his decision

(?) Can he change his decision ?

3.

(+) Students must wear school uniforms.

(-) Students musn't wear school uniforms

(?) Must students wear school uniforms ?

4.

(+) I might expolre the moon in the future.

(-) I might not explore the moon in the future.

(?) Might I be explore the moon in the future ?

5.

(-) It may not rain tomorrow morning.

(+) It may rain tomorrow morning.

(?) May it rain tomorrow morning ?

6.

(+) Student have to take exams.

(-) Student haven't to take exams.

(?) Have student take exams ?

1.

(-)You shouldn't decide now.

(?)Should you decide now ?

2.

(-)He can't change his decision.

(?)Can he change his decision?

3.

(-)Students mustn't wear school uniforms.

(?)Do you students must wear school uniforms?

4.

(-)I mightnot explore the noon in the future.

(?)Do you might expolre the moon in the future?

5.

(+)It may rain tomorrow morning.

(?)Does it may rain tomorrow morning?

6.

(-)Student haven't to take exams.

(?)Do student have to take exams?

Cho mình câu tlhn nhé . Chúc bạn học tốt.