Dấu hiệu nhận biết
by 4 thời gian trong quá khứ
before, atter, when, by the time, as soon as, as...
E BẢI TẬP VẬN DỤNG CƠ BẢN
Bài 1 | Cho dạng đúng của động từ trong ngoặc ở thì quá khứ đơn hoặc quá khứ hoàn thành.
1. She (feel)
sick after she (eat)
a whole box of chocolates.
2.
After the doctor (examine)
the child he (have)
a talk with the mother.
3. When I (call)
on my friend, he (go)
out.
4. Mary (finish)
her homework when her father (come)
home from his office
5.
1 (throw)
away the newspaper after 1 (read)
it.
6.
After she ispend)
all her money she (ask)
her father to help her.
back the exercise books after he (correct
them
7. The teacher (give)
8. The sun (rise)
when the farmer (start)
work.