Infinitive vs. -Ing form

Answers

1. I went to his home because I wanted to talk to him.
2. He aspires to be a pilot.
3. Not knowing what to do, I called the police.
4. He knows how to swim
5. She enjoys swimming in the sea.
6. The doctor suggested getting more sleep.
7. He ought to develop, saving the habit of …………………….. money.
8. She is struggling to make a living.
9. His ego prevented him from asking for her help.
10. I heard them argue/arguing in the other room.
11. She stopped me from going
12. You can trust him to keep his word.