Put the following sentences into the passve voice.

1. Someone must drop this book in his hurry.

2. She could see you from the house if it were not so dark.

Tham khảo

`1,` This book must be dropped in his hurry.

`->` drop - dropped - dropped : đánh rơi

`2,` You could be seen from the house by her if it were not so dark.

`->` see - saw - seen : nhìn 

`-` Bị động động từ khuyết thiếu : ĐTKT + be + PII ( by O )

`1` This book must be dropped in his hurry 

`2` You could be seen from the house if it were not so dark.

`-` Bị động với Model verb: S + could/must + be + Vpp + ( by + O)