Gramatyczne objaśnienia

Present Perfect Progressive Progressive - czasowniki wyjątkowe

W języku angielskim istnieje grupa czasowników (stative verbs), która nie wystąpuje w formie z końcówką -ing.

Zdania twierdzące	Zdania przeczące	Zdania pytające
I have been doing an exercise.	I have not been doing an exercise.	Have I been doing an exercise?
You have been doing an exercise	You have not been doing an exercise.	Have you been doing an exercise?
He has been doing an exercise	He has not been doing an exercise.	Has he been doing an exercise?
She has been doing an exercise	She has not been doing an exercise.	Has she been doing an exercise?
It has been doing an exercise	It has not been doing an exercise.	Has it been doing an exercise?
We have been doing an exercise	We have not been doing an exercise.	Have we been doing an exercise?
You have been doing an exercise	You have not been doing an exercise.	Have you been doing an exercise?
They have done an exercise	They have not been doing an exercise.	Have they been doing an exercise?