Perfect Modal Verbs B2

Residents in the Blackwood área complained last night that they ____ warned about the escape of a dangerous snake.

• must have been

• should have been

• had to be

• needn't have been

I ___ lock my dog in the kitchen this morning, because I thought the snake could have attacked it.

• must have

• should have

• must have

• had to

The snake disappeared from the zoo some time on Thursday. 'It ____ slipped out of the cage while the door was open.'

• had to

• should have

• needn't have to

• must have

There ____ been some misunderstanding, I suppose, we found the snake not long after we noticed she was missing.

• should have

• had to

• may have

• ought to have

It wasn't necessary for me to go out after all.

I ______ after all. (HAVE)

It's posible that Bill saw me.

Bill ____ me. (may)

I'm sure that Karen was a beautiful baby.

Karen ___ a beautiful baby. (BEEN)

I think you were wrong to sell your bike.

You ____ bike. (SHOULDN'T)

The only thing I could do was run away.

I ___ run away! (HAD)

It's posible that I left my wallet at home.

I ________ my wallet at home. (COULD)