Complete the sentences. Choose from:
could - didn’t need to - needn’t - ought not to - was supposed to
1 You ……………………….. have reminded me to do the homework – I did it last night.
2 Tanya ……………………….. be here half an hour ago. Where is she?
3 We ……………………….. have told Jenny about Luca’s party. He didn’t want her to know about it.
4 Someone ……………………….. have warned me that the band’s new album was so awful!
5 They knew the way so they ……………………….. ask for directions.