I just remembered that I .... the rent yet. I'm surprised that the landlord .... me up and reminded me. (not pay, not ring)
I just remembered that I haven't paid the rent yet. I'm surprised that the landlord hasn't rung me up and reminded me.
I put the five-pound note inside a book,but the next day it .... me ages to find it because I .... which book I .... it in. (take, forget, put)
I put the five-pound note inside a book,but the next day it took me ages to find it because I had forgotten which book I had put it in.
He .... the bagpipes since six this morning. He .... . (play, just stop)
He has been playing the bagpipes since six this morning. He has just stopped.