Exercise 4. Give the correct tense form of the verbs. 1. They (fly) _ to London on Friday evening. 2. Wait! I (drive) you to the station. 3. The English lesson ( start) at 6.45 am 4. I (see) my sister in April. 5. Peggy (come) to the party on Saturday to the party on Saturday. 6. They (come) to see their grandparents before they leave for New York. 7. They (not go) home until it (stop) raining. 8. Where you (be) tomorrow? - I (be) at the meeting. 9. Nobody (know) what he (do) _ to earn his living after he finishes school. 10. When we (meet) again? - We (meet) again when I return from Australia.

`1)` fly (dấu hiệu: on Friday evening-thì hiện tại đơn→They<Ns>+V+(o) )

`2)` am driving (dấu hiệu: Wait-thì hiện tại tiếp diễn→V-ing)

`3)` starts (dấu hiệu: at 6.45 am-thì hiện tại đơn→The English lesson<N số ít>+V-s)

`4)` am going to see (dấu hiệu: in April-thì tương lai gần <t/gian sắp tới>)

`5)` comes (on Saturday-thì hiện tại đơn→Peggy<N số ít>+V-s)

`6)` are going to come (thì tương lai gần)

`7)` won't go (dấu hiệu: until-cho tới khi-thì tương lai đơn)

`8)` will...be; will be (dấu hiệu:tomorrow-thì tương lai đơn)

`9)` know; will do 

`10)` will...meet; will meet (when I return from Australia dấu hiệu thì tương lai đơn)