Chuyển những câu sau sang thì quá khứ thường <phiên âm đuôi ed>
1 play =>
2 cook =>
3 help=>
4 want =>
5 need =>
6 collect =>
7 raise =>
8 watch=> 
9 wash =>
10 use =>
11 celebrate=> 
12 climb =>
13 laugh=> 
14 weigh =>
15 plough =>
16 cough =>
17 advise =>
18 work =>
19 talk =>
20 be =>
21 go =>
22 see =>
23have =>
24hold =>
25 eat =>
26 swim =>
27 take =>
28 buy =>
29 get =>
30 win =>
31 come=> 
32 know =>
33 become =>
34 teach =>
35 do =>
36 sit =>