1. I happened to be (looking) out of the window when I saw his car (approaching) the gate.
2. It has (been) ages since I last (saw) Nick. He is said (to have been married) Darcy and they are believed (to have left) the country.
3. We are going by sea but I'd rather we (went) by air. I (have never/been) a good sailor.
4. Listen to the birds (singing). You know, I recently bought a parrot, but now I am (thinking) of buying a canary bird. I want it to (sing) for me in the morning.
5. Look at her! She (has had her hair/cut). She looks gorgeous!
6. We’d better (hurry up)… I’d hate to (arrive) late. / I’d rather we (would not arrive) late.
