Present continous progressive

Affirmative Sentences

subject+am+verb+ing
              is
              are

Example I am eating

Negative Sentences

subject+am not +verb+ing
              is not
              are not

Example You are not eating

Questions Sentences

am+verb+ing
              is
              are
Example Am I doing my homework?

(WH) am+ subject+verb+ing

Example What are you doing?