* S + last + V2/ed + in/when + mốc thời gian: Lần cuối cùng làm gì

                                 khoảng thời gian + ago

= S + have/ has + not + + V3/ed + since + mốc thời gian

                                                         for + khoảng thời gian

-------------------------------------------------------------------------

${1.}$ I haven't visited this city since last year.

${2.}$ He hasn't played tennis for three months.

${3.}$ They last ate durians when they were young.

${4.}$ I haven't watched a football match for 3 years. 

${5.}$ He last met her 5 months ago. 

${6.}$ We haven't smoked cigarettes since we lived in the farm. 

${7.}$ My brother last drank wine 5 years ago. 

`1` I haven't visited this city since last year 

`2` He hasn't played tennis for three months 

`3` They last ate durians when they were young 

`4` I haven't watched a football match for 3 years 

`5` He last met her 5 months ago 

`6` We haven't smoked cigarettes since we lived in the farm 

`7` My brother last drank wine 5 years ago 

-> Cấu trúc chuyển từ thì quá khứ đơn -> hiện tại hoàn thành và ngược lại ' 

- S + last + Ved / V2 + O + time + ago / when + .../ In + time 

= S + hasn't / haven't + Vpp + O + for + time / since + time 

# Nami (ㆁωㆁ)