Ответ:

1. By forgetting to congratulate....

2. ....trespassing...paying

3. .....to inform.....choosing...

4. ...working, avoiding, missing....

5. ...cheating...catching...

6. coming...to join...to see

7. ...travelling.....sleeping

8. ...living...preparing..

9. ...to ask...loosing

10. ...walking...standing...sitting

11. ...to buy...working.

Объяснение: