rewrite sentences with the same meaning.

Các công thức đổi HTHT - QKĐ

Type 1: 

S + has/have + not + V3/ed + for/since + time 

--> S + last + V2/ed 

--> The last time + S+ V2/ed + was + time 

--> It is / has been + time + since + S+ (last) + V2/ed 

Type 2:

S + has/have + V3/ed + for/since + time 

--> S + started / began + to V / Ving 

--> It is / has been + time + since + S+ V2/ed 

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4. She has worked as an accountant for 2 months.

5. He has played football since he was 6 years old.

6. I last went to Ho Chi Minh City 2 years ago.

`color{orange}{~STMIN~}`

`4.` She has worked as an accountant for `2` months.

`-` S + started + Ving..+ thời gian + ago

`->` S + have/has + PII + O + for + khoảng thời gian

`5.` He has played football since he was `6` years old.

`-` S + began + Ving + O...+ when + sự việc trong QK

`->` S + have/has + PII + O..+since + mốc thời gian

`6.` I last went to HCM city 2 years ago.

`-` It + tobe + thời gian + since + the last time + S + V ( Đã bao lâu kể từ lần cuối làm gì..)

`->` S + last + V (QK) + thời gian + ago (Ai lần cuối làm gì bao lâu về trước)