is he waiting for Helen?
who Is he waiting for?
is he waiting for Helen, isn't he?
is he waiting for Helen or Samantha?
I am not drinking coffee now.
I am writing an English exercise.
I don't drink coffee in the evening.
I drink coffee in the morning.
Is your friend doing his homework now?
Does your father go to school in the morning?
Look! The baby is sleeping.
The baby always sleeps after dinner.
My grandmother doesn't work. She is on pension.
Where does your cousin work? He works at a hospital.