Singular/Plural verbs (does and do)

The boy (a)   his work carefully.

We (a)   not know that man.

This (a)   not mean that you are right.

These books (a)   not belong to us.

They (a)   most of the cleaning when everyone goes home.

The policeman (a)   his job very well.

They (a)   not like to see the horror movie.

If it (a)   not rain, I will come to your house.

If you (a)   this well, you will get a special prize.

I usually (a)   my homework in the evening.