Cleft sentence = one sentence divided by two

I was most unhappy with the service.

I can't stand the noise

John didn’t pay for the wedding ring, Sarah did.

He’s always late. It really annoys me.

DId you choose the furniture

The waiter's attitude made things worse

I love autumn because of the colour of the leaves

Her terrible accent annoyed me most

I bought it because it was a bargain

In the end, Martha went to the police