Fill in could(n’t) have, ought (not) to have, needn’t have, should(n’t) have or didn’t need to.
1 We took our time because we .............................. .......................... be there until 11 o’clock. 2 You ...................................................................... gone to see a doctor if you were feeling so ill. 3 Andy .................................................................... said that to Julie. He really upset her, didn’t he? 4 I was busy last Saturday, so I ................................ ............... gone to his party even if I’d wanted to. 5 You ...................................................................... come to pick me up – there are plenty of taxis. 6 He ............................................................ arrived by now, because he left at least an hour ago. 7 We .......................................................... rushed, because we got there with plenty of time to spare. 8 If you had sprained your ankle, you ...................... ........................................................ walked here. 9 You ................................................. let Paul know what we were doing – he was waiting for us. 10 We ............................................................... take an exam at the end of the course.