33. The new student said that she wanted to improve her Enlgish speaking skills

- S + said + ( that ) + S + V

- Lùi thì: Hiện tại đơn -> Quá khứ đơn

- I -> He / She

34. I wish I could explain to you

- It's / What a pity! S + V-s/es

- = S + wish(es) + S + V2 / ed: Diễn đạt một mong muốn hoặc ước muốn về một tình huống hiện tại

35. The flower vase has been changed in the staff room

- Bị động hiện tại hoàn thành: S + have / has + been + V3 / ed + ( by O )

36. As Minh was ill, he didn't go to class yesterday

- As + S + tobe + adj, S + V + O

- Because of + N

32. Why don't you use an energy-saving bulb to save electricity instead of a normal one?

Why don't we / you + V1? đưa ra ý kiến, đề nghị

to + V1: để làm gì 

33. The new student said that he wanted to improve his English speaking skill.

S + said (that) + S + V (lùi thì)

HTĐ --> QKĐ

34. I wish I could explain it to you.

S + wish(es) + S+ could + V1: ước ở hiện tại 

35. The flower vase has been changed in the staff room.

S + has/have + been  +V3/ed (bị động - thì HTHT)

36. As Minh was ill, he didn't go to the chess club.

As + clause, clause

`color{orange}{~LeAiFuRuiHuiBao~}`