`1.` I wish I were good at English.

`@` Câu ước ở HT - Với tobe: S + wish(es) + were ...

`2.` She asked me if there were many tall buildings in my school.

`-` Reported speech: Yes - No question.

`-` Cấu trúc: S + asked + O + if/ whether + S + V(lùi thì)

`-` Thì HTĐ `->` QKĐ (are there `->` there were)

`-` TTSH : your `->` my

`3.` I wish I wouldn't be in your wedding.

`@` Câu ước ở TL - Với tobe : S + wish(es) + S + would(n't) be ... 

`4.` I wish we didn't have a lot of homework today.

`@` Câu ước ở HT - Với V thường: S + wish(es) + S + V2/ed

`5.` I have never played games online before. 

`-` It/ This is the first time + S + have/has + V3/ed

   `=` S + have/has never + V3/ed + before.

`6.` She wondered where should she put that vase of flowers.

`-` Reported speech: Wh-question.

`-` Cấu trúc: S + asked/ wanted to know/ wondered/ didn't know/... + O + Wh-words + S + V( lùi thì)

`-` Đổi ngôi: I `->` she ; Động từ "Should" không lùi thì.

`-` Tính từ chỉ định: this `->` that