Помогите решить тест:
Correct the mistakes.
1.The baby is not criing.The baby is sleeping.
2.He has translating the book for three days.
3.Those students have discussed Text Three last Friday.
4.We have been discussed the problem for two hours.5.I cleaned my room since two days ago
6.I am thinking that they will like the film.
7.Mrs Wilson cant leave the office:She hadnt written the letter yet.
8.It isnt rain in February.
9.Sam is doing his himework since 3 o"clock.
10.What are you doing when the teacher came into the classroom?

1 is not crying2 has been translating 3 discussed text three last friday( без have)4 have been discussing5 без since6 i think7 hasn't written the letter8 doesn't rain9 has been doing since10 were you doing