Вставьте (to) там, где это необходимо. 1. i can write? but i don't like write. 2. - i don't want go there - but you must go there 3. she wants play, but she must do her homework. 4. i can help you, but i must not do it.

2,3 и 4.
Там везде to

1. I can write. But i dond like TO write.
2. I dont want TO go there. But you must go there.
3. She wants TO play, but she must TO do her homework.
4.I can help you,  but i must not do it.