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

2. It is three months since the last time my mother was to the hairdresser.

3. I have never known such a warm-heated such as my mother.

4. We have learned English for five years.

*Giải thích: +This is the first time + S + V (HTHT) = S + have/has never + VII + before.

                  +S + haven't/hasn't + VII + for + ... = It's ... since the last time + S + V (QKĐ)

                  +S1 + have/has never + VII + such a/an + adj + N as + S2 = S2 tobe the adj-est/most adj + N + S1 +have/has ever + VII.

                  +S + started/began doing/to do sth = S +have/has + VII + for + khoảng thời gian.

Xin ctlhn!

CHÚC BẠN HỌC TỐT

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

2. → It's 3 months since she last went to the hairdresser.

3. → I've never met such a warm-hearted person like my mother.

4. → We has learnt (learend) / has been learning English for 5 years.

⇒ Cấu trúc câu 1: This time the first time + S + have/has + P2.

#Hãy tham khảo của những bạn khác!^^