1, He suggested putting your luggage under the seat.

=>suggest doing sth: gợi ý làm việc gì.

2, Had it not been for the famous film star’s attendance, the party would not have been a success.

=> Had it not been for something, S + would/ could+ have + V-ed3: nếu không phải có cái gì thì điều gì đã sẽ xảy ra rồi.

3, It is undeniable that she has a beautiful voice.

=> It is undeniable that + mệnh đề: Không thể phủ nhận rằng…

4, Hardly had I put the phone down when the boss rang back.

=> Hardly + had + S+ V-ed3 + O when S + V-ed2+O: Cấu trúc đảo ngữ - vừa mới hoàn thành việc gì thì việc khác đã xảy ra.

5, She admitted having taken the necklace.

=> admit having done something: thừa nhận đã làm việc gì.

1, Before I come to a decision, I'll have to go carefully over their offer.

=> go over = consider

2, The mistake by scientists led to a massive explosion.

=> cause something = lead to something

3, She was traditionally brought up, wasn't she?

=> bring up something: nuôi nấng ai

4, I've gone off skiing since I discovered snowboarding.

=> go off something: không thích cái gì nữa

5, There has been a considerable increase in the number of foreign tourists to Vietnam in the past few years.

=> a considerable increase in something: sự gia tăng đáng kể của cái gì

`1.` He suggested that I put my luggage under the seat.

`->` Cấu trúc "suggest" (với người khác): S1 + suggest + that + S2 + V-bare (đề xuất, gợi ý ai làm gì)

`2.` Had it not been for the famous film star's attendance, the party wouldn't have been successful.

`->` Đảo ngữ câu điều kiện loại 3, diễn tả giả thiết trái ngược quá khứ: Had it not been for + N/V-ing, S + would + (not) + have + Vpp.

`3.` It can't be denied that she has a beautiful voice.

`->` Bị động kép (với động từ khuyết thiếu): 

+) Chủ động: S1 + must/can/may/... + (not) + V1-bare + that + S2 + V2

+) Bị động: It + must/can/may/... + (not) + be + V1-pp + that + S2 + V2

`4.` Hardly had I put the phone down when the boss rang back.

`->` Đảo ngữ với hardly: HARDLY + had + S + Vpp + WHEN + S + V-ed.

`5.` She admitted to having taken the necklace.

`->` Admit + to V-ing/ to having Vpp: thừa nhận làm gì

`---`

`1.` have to think over

`->` think over = to think carefully about; to consider all aspects of (an action, decision etc): suy nghĩ kĩ, cân nhắc kĩ lưỡng

`2.` led to

`->` lead to sth = If an action or event leads to something, it causes that thing to happen or exist: dẫn đến, gây ra

`->` Lead phải đưa về dạng quá khứ đơn là led

`3.` was traditionally brought up

`->` bring up = to care for a child, teaching him or her how to behave, etc.: nuôi nấng

`->` Bị động quá khứ đơn: was/were + Vpp (đưa trạng từ traditionally lên trước động từ)

`4.` gone off skiing since

`->` go off =  to stop liking somebody/something or lose interest in them/it: bắt đầu không thích

`->` Sự hòa hợp về thì: Hiện tại hoàn thành + since + Quá khứ đơn

`5.` been a considerable increase in

`->` Tính từ "considerable" (đáng kể) bổ nghĩa cho danh từ "increase" (sự tăng trưởng)