---What ‘s the matter with you? --- You _____ my heart. - -- But I didn’t mean to hurt you.

Both of his parents insisted that he _______ get on well with his lessons and that he ______ given more extra classes at weekends.

The computer looks old, but it _________ just half a year ago.

We have done things we ought not to have done and_____ undone things we ought to have done. 

—Why? Where is the key to the meeting room? —Dear me! You ______ it in the taxi!