5. He might have eaten the cake in the fridge

>

6. She must have taken my coat by mistake

>

7. We needn't have cleaned the house again

>

8. We must take off our shoes when visiting a Japanese house.

>

Bị động:

- S + might have been + V3/ed 

- S + must have been + V3/ed 

- S + needn't have been + V3/ed 

- S  +must be + V3/ed 

----------------------------------------

5. The cake might have been eaten in the fridge.

6. My coat must have been taken by mistake.

7. The house needn't have been cleaned again.

8. Our shoes must be taken off when visiting a Japanese house.

`color{orange}{~MiaMB~}`

`@ Pearl`

`5.` The cake might have been eaten in the fridge.

`-` Bị động với might: S + might have been + PII + (by O)

`6.` My coat must have been taken by mistake.

`-` Bị động với must: S + must have been + PII + (by O)

`7.` The house needn't have been cleaned again.

`-` Bị động với need: S + need not have been + PII + (by O)

`8.` Our shoes must be taken off when visiting a Japanese house.

`-` Bị động với must: S + must be + PII + (by O)