Mark didn't see me wave to him. He ----- has been looking looked was looking in the other direction.

My sister ----- has been driving used to drive was driving a lot but she does not use her car very much these days.

I told the driver to slow down. He ----- drove has been driving was driving much too fast.

When I was a child I ----- have been playing used to paly was playing football very often.

When the telephone rand I ----- had was having dinner with my friends.

Where were you yesterday evening? I ----- have been playing played was playing table tennis.

Mary looked very nice. She ----- was wearing wore an extremely nice dress.

Rich and Sue met for the first time when they ----- have been studying studied were studying at university.

I ----- used to ride was riding a bike, but last month I sold it and bought a motorbike.

I rarely drink cofee now but I ----- used to dring was drinking it when I was a student.