Simon's wife has had the flu ...... two weeks.

The management have known about the problems ...... quite a long time.

David and Anna have been engaged ...... 5 May this year.

Greg has been studying French ...... ages.

The classes have been going on ...... 8.00 sharp.

The dogs have been staying next door ...... April.

My best friend would like to stay with us ...... just a few days.

All my fellow students have been working really hard ...... the beginning of term.

People have been rather cautious about nuclear weapons ...... World War II.

The patient has been waiting for the doctor ...... an hour and a half now.

The little girl has been playing in the garden ...... noon.

The water has been dropping down the ceiling ...... last night.