1 John lived in this apartment in 2005 

Hđ xảy ra và đã kết thúc ở QK

2 Mai started to wear glasses since she was five 

S + V2/Ed since + S + V2/ed

3 John owned this car two weeks ago

4 The last time I saw him was two years

the last time + S + V2/Ed + was + [t/g]

5 she has started to live in Ha Noi for two years

ago... => for....

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

this is the first time + S + have /has + V3/Ed ....

7 She is the most beautiful girl I have ever seen

8 I haven’t read this novel before 

S + have/has + V3/Ed +...before

read -read -read

9 I haven’t cut my hair since October 

in.. => since

10 We haven’t gone together for five months 

ago... => for + T/g

11 It is two years since I went to Singapore 

It is + t/g + since + S+ V2/Ed...

I haven’t been to Singapore for two years 

ago => for + t/g

Bạn tham khảo 

@linaguyenpham

`1.` John has lived in this apartment.

`-` move into apartment: chuyển vào căn hộ sống - live in sth: sống ở đâu 

`-` Bắt đầu chuyển vào sống vào năm 2005 `->` Sống từ năm 2005 (và có thể tiếp tục trong TL) `->` Thì HTHT

`( + )` S + have/has + VpII + O

`-` Chủ ngữ số ít `->` Đi với has

`2.` Mai has worn glasses since she was five. 

`-` Cấu trúc: S + started/began/... + to V-inf/V-ing + O + thời gian trong QK 

`->` S + have/has + VpII + O + since + mốc thời gian/for + khoảng thời gian 

`-` "She was five" - Cô ấy năm tuôi - Là một mốc thời gian `->` Đi với since

`3.` John has owned this car for two weeks.

`-` own (v): sở hữu

`( + )` S + have/has + VpII + O + for + khoảng thời gian/since + khoảng thời gian

`-` John đã sở hữu chiếc xe này được 2 tuần.

`4.` The last time I saw him was a week ago. 

`-` Cấu trúc: The last time + S + V-ed + O + was + time (QK)

`5.` She has lived in Ha Noi for two years.

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

`-` Cấu trúc: It/This + is/was + the + first/second/... + S + have/has + (ever) + VpII + O

`7.` She is the most beautiful girl I have ever seen.

`-` Cấu trúc: S + tobe + the + most + adj/adj-est + N + S + have/has + (ever) + VpII +O.

`8.` I haven't read such a good book before. 

`-` Cấu trúc: S + haven't/hasn't (have never/has never) + such + a/an + adj + N + before

`-` Tôi chưa từng đọc một cuốn sách hay như vậy trước kia.

`9.` I haven't had my hair cut since October. 

`-` have sth done = việc gì được làm bởi ai đó 

`10.` We haven't gone together for five months. 

`( - )` S + haven't/hasn't + VpII + O + for + khoảng thời gian/since + mốc thời gian

`11.` It is/has been two years since I went to Singapore. 

`-` Cấu trúc: It + tobe/have/has been + time + since + S + (last) + V-ed + O

`-` Ko thể là "since I has been" - Do thứ nhất, I là chủ ngữ đi với have.

`-` "since + S + (last) + V-ed" `->` Ko thể chia thì HTHT (has been)