Помогите. Circle the correct word. 1. You cant /must /mustnt get permission to invite friends in your room. 2. You can /must /cant sister on the grass! You will destroy the flowers. 3. I rent/rented /rents a flat yesterday. 4. How mush did/do/are you pay per month. 5. We go/are going/went out last night. 6. You cant /couldnt /dont have parties in your rooms! Its not allowed. 7. Look! They are dancing/dance/danced.

1. cant
2. cant (not sure, I think it should be mustnt, and perhaps you cant sister on the grass, you can only sit)
3. rented 
4. do
5. went
6. cant
7. dancing

I dont guarantee on the perfection of the answers...