`1`. I have never eaten out at a `5 -` star restaurant before.

`-` S + have/has + never + V-pII + before: chưa bao giờ làm gì trước đây

`2`. When did Tom last send you a letter?

`-` When?: Khi nào?

`-` last + V-ed/c2 

`3`. Your kitchen is bigger than mine.

`-` So sánh hơn: S1 + be + adj-er/more adj + than + S2

`4`. We haven't gone on a picnic together for two years.

`-` HTHT: S + have/has + not + V-pII + for + time

`5`. They haven't played soccer since April.

`-` HTHT: S + have/has + not + V-pII + since + time

`6`. Have you ever been to Australia?

`-` HTHT nghi vấn: (Wh) + Have/Has + S + ever + V-pII?

`-` been to + place: đến đâu

`7`. Tam is the tallest in my class.

`-` So sánh hơn nhất: S + be + the + adj-est/most adj

`8`. A horse is stronger than a person.

`-` So sánh hơn: S1 + be + adj-er/more adj + than + S2

`9`. The red car is not as cheap as the black car.

`-` So sánh bằng phủ định: S1 + be + not as + adj + as + S2

`10`. Lan is the tallest student in my class.

`-` So sánh hơn nhất: S + be + the + adj-est/most adj