Ghi CẤU TRÚC liên quan đến viết lại câu về"mối quan hệ giữa ago-since-for và thì quá khứ và thì hiện tại hoàn thành" =>CẤU TRÚC ĐỂ VIẾT LẠI CÂU Mình cảm ơn🍀🍀

$\text{I.}$

$\Rightarrow$ The last time + S + Ved/cột 2 + was + time ( trong quá khứ ) 

$\Rightarrow$ S + last + Ved/cột 2 + when/in/on/ago + time ( trong quá khứ ) 

$\Rightarrow$ It's + time + since + S + (last) + Ved/cột 2 + time ( trong quá khứ ) 

$\Rightarrow$ S + hasn't/haven't + Vpp + for/since + time ( trong quá khứ ) 

$\text{Exampe}$ : 

The last time I went to this library was five years ago . 

$\Rightarrow$ It's five years since I last went to this library . 

$\Rightarrow$ I last went to this library five years ago.

$\Rightarrow$ I haven't gone to this library for five years . 

$\text{II.}$ 

$\Rightarrow$ This/It is the first time + S + has/have + (ever) + Vpp 

$\Rightarrow$ S + hasn't/haven't + Vpp + ... + before

$\Rightarrow$ S + has/have + never + Vpp + ... + before

$\text{Example}$ 

This is the first time I have eaten this kind of food . 

$\Rightarrow$ I haven't eaten this kind of food before

$\Rightarrow$ I have never eaten this kind of food before . 

$\text{III.}$ 

$\Rightarrow$ S + started/began+ to V/V-ing + when/in/on/ago/... 

$\Rightarrow$ S + has/have + Vpp + for/since + time ( trong quá khứ ) 

$\text{Example}$ 

He started learning English when he was 8 .

$\Rightarrow$ He has learned/learnt English since he was 8 . 

$\text{IV.}$ 

$\Rightarrow$ How long + has/have + S + Vpp + O ? 

$\Rightarrow$ When + did + S + V-inf + O ? 

$\Rightarrow$ How long ago + did + S + V-inf + O ? 

$\text{Example}$ 

How long have you studied at school ? 

$\Rightarrow$ When did you study at school ? 

$\Rightarrow$ How long ago did you study at school ? 

$#Keisha$