Use Present Perfect Continuous , image, image, image, image, image,…
Use Present Perfect Continuous
She has written five letters
Present Perfect Continuous
He has been studying in the library for three hours.
|Subject|+ have/has+been+ |ind verb|
Negative: Subjer + haven´t+hasn´t+been+ ing
Question; Have/ has+subject+ been+ ing
Has she been eating?
He hadn´t been reading a book
Thomas had been trying
You had not been studying
I have been starting
It has been starting
We have not been waiting
They haven´t been waiting
Have you been crying?
Have they been cooking?
We use since to talk about a point in past time
We use for to talk about a period of time
Lemus Acosta Raymundo 14/08/2020