She ________ (study) for days. She hasn´t left her room all week.
She has been studying for days. She hasn´t left her room all week..
She _________ (already / write) six letters this morning.
She has written six letters this morning.
How long ________he _______ (see) her? - Not long, but they're getting married next month.
How long has he been seeing her? - Not long, but they're getting married next month.
What__________ you ________(do) with my keys? - I haven't seen your keys
What have you done with my keys? - I haven't seen your keys
Teacher to student: Why ___________you __________(do) your homework lately? You need to start doing it.
Teacher to student: Why haven´t you been doing your homework lately? You need to start doing it.
Why are you crying? - I ______ (cut) onions.
Why are you crying? - I've been cutting onions.
How long ________you __________ (know) her?
How long have you known her?
They __________ (build) the new road around the school for several years.
They have been building the new road around the school for several years.
How many biscuits __________you _______ (eat) today?
How many biscuits have you eaten?
I______ (have) this computer for over 10 years.
I've had this computer for over 10 years.
I _________ (have) piano lessons for over 10 years and I'm still not very good.
I've been having piano lessons for over 10 years and I'm still not very good.
How many exams ___you____(have) this week?
5, and I´ve still got 2 more to do.
