* Cấu trúc 

`1.` She hasn't kissed me for 5 months.

- The last time + S + V (ed/ cột 2) + was + time ago 

`=` S + have/ has (not) + V-pp + for time

`2.` We haven't met for a long time.

- The last time + S + V (ed/ cột 2) since + time 

`=` S + have/ has (not) + V-pp + for time

`3.` How long have you had it?

- When + did + S + V?

`=` How long + have/ has + S + V-pp..?

`4.` I haven't had such a delicious meal before.

- The last time + S + V (ed/ cột 2) +  time before 

`=` S + have/ has (not) + V-pp + for time

`5.` The last time I saw him was 8 days ago.

- The last time + S + V (ed/ cột 2) + was + time ago 

`=` S + have/ has (not) + V-pp + for time

Đáp án:

`1,` She hasn't kissed me for `5` months.

- The last time + S + V2 / Ved + was + time trong QK

$=$ S + has / have + not + V3 / PII + for + khoảng thời gian / since + mốc thời gian

`2,` We haven't met for a long time.

- It's + time + since + S + V2 / Ved

$=$ S + has / have + not + V3 / PII + for + khoảng thời gian / since + mốc thời gian

`3,` How long have you had it?

- When + did + S + V ?

$=$ How long + have / has + S + V3 / PII ?

`4,` I haven't had such a delicious meal before.

- This is the first time + S + V2 / V-ed 

$=$ S + have / has + not + V3 / PII + before.

`5,` The last time I saw him was `8` days ago.

- S + has / have + not + V3 / PII + for + khoảng thời gian / since + mốc thời gian

$=$ The last time + S + V2 / Ved + was + time trong QK