How long ____ you _____ (know) Gerry?
How long have you known Garry?
You are filthy! What _____ you _____ (do) all day?
You are filthy! What have you been doing all day?
How many times _____ Charles _____ (visit) New York?
How many times has Charles visited New York?
She _____ (try) to memorize French words for hours, but she still doesn't remember all of them.
She has been trying to memorize French words for hours, but she still doesn't remember all of them.
The children _____ (watch) videos for two hours. They are still watching them.
The children have been watching videos for two hours.
_____ he _____ (study) hard today?
Has he been studying hard today?
My father _____ never _____ (smoke).
My father has never smoked.
Sorry, I'm late. _____ you _____ (wait) for long?
Sorry, I'm late. Have you been waiting for long?
We _____ (not/see) Lisa recently.
We haven't seen Lisa recently.
He _____ (write) his essay all day, but he _____ (not/finish) yet.
He has been writing his essay all day, but he hasn't finished yet.
I'm not going to Math class anymore! I _____ (not/understand) anything since the first day.
I'm not going to Math class anymore! I haven't understood anything since the first day.
I _____ (have) the same leather jacket for 20 years.
I have had this same leather jacket for 20 years.
I_____ (cook) for the last two hours and now you tell me you’re not hungry!
I have been cooking for the last two hours and now you tell me you’re not hungry!
I _____ (know) her since 2020. We _____ (study) together since then.
I have known her since 2020. We have been studying together since then.
I _____ (love) my wife since we first met.
I've loved my wife since we first met.
I _____ (read) your book all day. It's very interesting, but I'm only on chapter 2.
I have been reading your book all day. It's very interesting, but I'm only on chapter.
