Chia động từ trong ngoặc

Chia động từ trong ngoặc:
2. He (ride) ................... his bicycle after he (get) .................... out of the office
4. It is a lovely day. The sun (shine) ..................... and the birds (sing) ................... in the trees
6. I (walk) ............................ down the street when it stops raining
7. Now I (study) ............................ in my room and my roommates (have) ...................... a party in the other room
9. ..................... you ever (be) ......................... to New York?