$@Mốc$

Giải thích tổng quát:

Dùng thì quá khứ đơn: The last time + S + V(qkđ) + was + time + ago.

                                     It is a long time (or time) since + S + last + V(qkđ)+....

Thì hiện tại hoàn thành: S +  have/has(not) + $V_{PII}s + .......

                                       This is the first time + S +have/has+ $V_{PII}s + ..... 

+) For + khoảng thời gian 

VD: for 3 years, for 4 days, for 7 months,.......

*For đi với a long time.

+) Since + mốc thời gian : last night, yesterday,..... hoặc là một mệnh đề chia ở qkđ.

VD: since 1966, since I was a child,...

+) Before : trước đó.

+) ever : chưa bao giờ.

Giải:

$17$. The last time she kissed me was 5 months ago.

⇒ She hasn't kissed me for 5 months.

$18$. It is a long time since we last met.

⇒ We haven't met for a long time.

$19$. When did you have it?

⇒ How long have you had it? (Ý chỉ được bao lâu rồi → HTHT)

$20$. This is the first time I had such a delicious meal.

⇒ I haven't had such a delicious meal before.

$21$. I haven't seen him for 8 days.

⇒ The last time I saw him was 8 days ago.

$22$. I haven't taken a bath since Monday.

⇒ It is Monday since I last took a bath.

$#chucbanhoctotnhe;333$

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

- The last time+ S + V2/V-ed + ... + was + time + ago

`->` S + haven't/hasn't + VpII + ... + for + time

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

- It is + time + since + S + last + V2/V-ed + ...

`->` S + haven't/hasn't + VpII + ... + for + time/since + time

`19.` How long have you had it?

- When + did + S + V + ...?

 `->` How long + have/has + S + VpII + ...?

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

- This is + the + first/second/... + S + V2/V-ed + ...

`->` S + haven't/hasn't + VpII + ... + before

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

- S + haven't/hasn't + VpII + ... + for + time

`->`The last time+ S + V2/V-ed + ... + was + time + ago

`22.` It is Monday since I last took a bath.

- S + haven't/hasn't + VpII + ... + for + time/since + time

`->` It is + time + since + S + last + V2/V-ed + ...