We have... . We don't have ... .

We have a dog. We don\'t have a cat.

We have a book. We don\'t have a book. 

We have a red pen. We don\'t have a green pen. 

We have a desk. We don\'t have a table. 

We have a kitten. We don\'t have a hen. 

We have a lesson. We don\'t have two lessons. 

We have an umbrella. We don\'t have a raincoat. 

We have breakfast. We don\'t have lunch.

We have tea.  We don\'t have coffee. 

We have a parrot. We don\'t have giraffe. 

We have dinner. We don\'t have supper.

We have a headache. We don\'t have a toothache.

We have two sisters.  We don\'t have brothers.