It-cleft

Reversed wh-cleft

Wh-cleft

All-cleft

Inferential cleft

There-cleft

If-because cleft

I knew there was something we were missing.

It was to my own house that I eventually returned.

Where I went is not your concern.

All I want for Christmas is a new car.

It isn't the case that he wanted it immediately but that's how it sounded.

The rain was not what I was expecting.

If she came across as rude that's just because she's under so much stress.