Chia dạng đúng của từ trong ngoặc

6. Yesterday, we spent all the time (lie) .................... on the beach and (sunbathe) .......................

7. When I (leave) ............................ my office at around 5 p.m yesterday, Mrs. Thu (still sweep) ............................  the yard.8. If you hurry, you will overtake him. He has just left here and (not go)