`1.` asked

`->` Dấu hiệu nhận biết: yesterday

`->` QKĐ

`2.` stepped 

`->` Dấu hiệu nhận biết: was

`->` QKĐ

`3`. has 

`->` Dấu hiệu nhận biết: often 

`->` HTĐ

eats

`->` Dấu hiệu nhận biết: usually

`->` HTĐ

`->` Cấu trúc:

`(+)` He/she/it + V(s,es) 

`4.` began

`->`Dấu hiệu nhận biết: in `1939`

`->` QKĐ

ended

`->` Dấu hiện nhận biết: in `1945` 

`->` QKĐ

`5.` return

`->` will notice

`->` QKĐ

`6.` screamed

`->` Dấu hiện nhận biết: was

`->` QKĐ

`7.` stood 

`->` Dấu hiệu nhận biết: `10` years ago

`->` QKĐ

`->` Cấu trúc:

`(+)` S + V_ed/V_2

 become 

`->` Dấu hiệu nhận biết: now

`8.` did - do 

`->` Dấu hiệu nhận biết: from `2010` to `2013` 

`9.` goes 

`->` Dấu hiệu nhận biết: usually

`->` QKĐ

`->` Cấu trúc: 

`(+)` S + V_ed/V_2

 went

`->` Dấu hiệu nhận biết: twice 

`10.` was

`->` Dấu hiệu nhận biết: when I was young

`=>` QKĐ

1. Yesterday, Mary (ask) asked her boss for a raise. <yesterday>

2. There was no space so I (step) stepped on the pavement. <was>

3. Peter often (have) has to breakfast at 8 o’clock. He usually (eat) eats enormous breakfast. <often, usually>

4. World War II (begin) began in 1939 and (end) ended in 1945. <in 1945>

5. When you (return) return home, you will notice a lot of changes. <will notice>

6. When the passengers realized that the ship was flooded with water, they (scream) screamed in panic.<was>

7. The cottage that (stand) stood on the hill 10 years ago (become) become an impressive palace now.<10 years ago, now>

8. What did you (do) do from 2010 to 2013? < from 2010 to 2013>

9. We usually (go) goes to the library three times a week, but last week we (go) went twice. <usually, twice>

10. Washing dishes (be) was my job when I was young. <when I was young>

cho cj xin tlhn để cày đoàn nha