Ex. 80. Use the required form of the infinitive after ought to and should: 1.But we ought (to have) your brother here, to tell us exactly how far we can go.
2.Tea is between half past five and six, and it should (to be) ready now.
3.He couldn't see anything. He thought that he ought (to bring) a torch.
4. Should the baby (to play) with a box of matches?
5.If you're in love it ought (to make) you happy. You ought (to laugh).
6.The doctor said it was appendicitis and she ought (to operate) on.
7.You should (to see) him yesterday on horseback.
8.One day the headmaster came on Jack, who should (to sweat) on the sports ground, sitting comfortably in a gardener's shed reading a book and eating a large piece of cocoa-nut ice.
9."Your father and I should (to arrange) everything before I came here," he said. 10.Oughtn't you (to answer) that letter now? 11.Where is his car? He shouldn't (to leave) it unattended.
12.He drove at great speed. He knew that about this hour the guests should (to arrive) at his house.
13."Well, I'm very glad to know at last what it was all about." "You ought (to tell) before." 14. Then he should (to laugh),but instead he heard himself saying: "Everything you say is quite true."
15.Anything we can do to clear up this miserable affair ought (to do).
16."I don't think he had the least idea of what I meant." "You should (to be) mo explicit, my dear."