Terry feed his cat. pr.s +отриц предложение + 3вопроса past.s +отриц предложение + 3вопроса f.s +отриц предложение + 3вопроса pr.cont +отриц предложение + 3вопроса

Terry feeds his cat.
Terry doesn't feed his cat.
Who feeds Terry's cat?
Whom does Terry feed?
How often does Terry feed his cat?

Terry fed his cat.
Terry didn't feed his cat.
When did Terry feed his cat?
Who fed Terry's cat?
Whom did Terry feed?

Terry will feed his cat.
Terry will not feed his cat.
When will Terry feed his cat?
How often will Terry feed his cat?
Who will feed Terry's cat?

Terry is feeding his cat.
Terry is not feeding his cat.
Is Terry feeding his cat?
What is Terry doing?
Whom is Terry feeding?