Past Simple versus Past Perfect

I (be) sorry that I (not be) nicer to him.

• was/ hadn't been

• had been/ wasn't

• had been/ hadn't been

Nobody (come) to the meeting because Angela (forget) to tell people about it.

• came/ forgot

• had come/ forgot

• came/ had forgotten

I (see) her before somewhere- I (know).

• had seen/ knew

• saw/ had known

• saw/ knew

• had seen/ had known

Because he (not check) the oil for so long, the car (break) down.

• hadn't checked/ broke

• didn't check/ had broken

• didn't check/ broke

She couldn't find the book that I (lend) her.

• had lended

• had lent

• lended

• lent

All the people that we (invite) turned up, and some that we (not invite).

• had invited/ hadn't invited

• invited/ didn't invite

• had invite/ didn't invite

They never (find) where he (hide) the money.

• found/ hid

• found/ hided

• had found/ hid

• found/ had hidden

It was a firm that I never (hear) of.

• had never heard

• heard

When she (come) in, we all knew where she (be).

• came/ had been

• had come/ was

• had come/ had been

• came/ was

The lesson already (start) when I (arrive).

• had already started/ arrived

• started/ arrived

• already started/ had arrived