Travelled вторая форма прошедшего времени глагола.
1)am sitting
2)am not working
3)is talking; is not listening; is thinking
4)lives
5)does not live
6)play
<span>1. Sent
2. Found
3. Brought
4. Studied
5. Took
6. Spoke
7. Read
8. Saw
9. Played
10. Watched</span>
1. Could
2. May
3. Have to
4. Must
5. Would
6. Need или must
7. Mustn't
8. Has to
9. Mustn't
10. Should call
11. Were
12. Might
13. Mustn't
Возможно что-то будет не верно, будьте осторожны
<span>Nobody has come, have they? - отрицание в главном предложении nobody, в "хвостике" мн. число, потому что в данном случае НИКТО - имеется ввиду мн. число</span>