Modal verbs in passive: 1, You should pay more attention to your study. -> 2, all we might understand this problem -> 3, the people ought to stop make war in the world. -> 4, she may answer the question easily. ->

Modal verbs in passive:

1, You should pay more attention to your study.

-> Attention should be paid more to your study.

2, all we might understand this problem

-> This problem might be understood.

3, the people ought to stop make war in the world.

-> War in the world ought to be stopped.

4, she may answer the question easily.

-> The question may be answered easily.