Past Perfect Tense

I didn't recognise Ann because she ... her hair colour

I ... the police last night because someone had stolen my car

... you ever met Peter before you saw him at the party yesterday?

I suddenly remember where I ... that man before

By the time I got to the station, the train ...

We ... a burglar alarm after we had been robbed a second time

I didn't know Ben ... in a bank before he joined this company

The policeman ... an award for bravery because he had rescued some people from fire

Our neighbour reported the burglary but discovered that someone else ... already ... the police about it

Susan ... by the time we got to the cafe

I ... get the car fixed because it had broken down

I found out when I got home that I ... the front door

Had Bill already started cooking dinner when his friends ... there?

Men ... on the moon by the time my brother was born

The cake tasted awful because mum ... to add the sugar