1.You often (visit) your old teacher ?
=> visit
2.Look! The teacher (come)
=>is coming
3.He often (go) swimming when he was in the
countryside.
=>goes
4.I (receive) scholarship last year.
=>received
5.My mother (cook) dinner while I (water)
trees.
=>was cooking - was watering
6.What you (do) at 8 p.m yesterday ?
=>what did you do …
7.The Pikes (buy) that house for three years.
=> have bought
8.We (not, meet) Nam at the club 2 days ago.
=> didn’t meet
9.I (just, write) a letter when you (come)
=> I’had just written - came
10.We (have) a test next morning.
=> will have
11.You (finish) your work since I (come) ?
=> had you finish your work since I
came?
12.The exercises (do) in the class tomorrow.
=> will be done
13.I (write) this book for two months, but I
(not finish) it.
=> I am writing – have not finished
14.Before I (see) Nam, he (go) away.
=> saw – had gone
15.The floor (clean) at the present ?
=> is being cleaned