Exercises on Infinitive and Gerfund: My mother can't stand....(stay) at home without doing anything. How long have you been able....(swim), John

11. My mother can't stand....(stay) at home without doing anything
12. How long have you been able....(swim), John
13. You must promise....( not / be ) late again.
14. When I saw her in that funny hat, I couldn't help....(laugh)
15. They refused....(lend) him the money although he needed it badly
26. However, she did not plan....(be) a secretary all her life.