`1.` She used to go out in the evening.

`-` Cấu trúc used to do sth: đã từng làm gì thường xuyên như giờ thì không (hiện tại thì không thường xuyên ăn ngoài)

`2.` A small party will be held next Sunday.

`-` Câu bị động thì TLD: `( + )` S + will + be + VpII + (by + O) + time

`3.` We haven't seen our uncle for nearly ten years.

`-` Cấu trúc: It's + time + since + S + V-ed/V2 + O

`->` S + have/has + not + VpII + O + for + khoảng thời gian/since + mốc thời gian

`-` "nearly ten years" - mốc thời gian `->` "for"

`4.` It is about `300km` from Ho Chi Minh city to Phu Quoc island.

`-` Cấu trúc: The distance + from + N (place) + to + N(place) + is + (about) + distance

`->` It is + (about) + distance + from + N(place) + to + N(place). 

`1`.She used to go out in the evening

`->` S + used to + V-inf : Đã từng

`2`.A small party will be held next Sunday

`->` BĐ `-` TLĐ : S + will be + VpII ( by O )

`->` `DHNB` : next

`3`.We haven't seen our uncle for ten years

`->` Thì HTHT ( PĐ ) : S + haven't / hasn't + VpII

`=>` I , You , We , They `+` haven't

`->` For + Time : Bao lâu

`4`.It is about `300`km from Ho Chi Minh City to Phu Quoc Island

`->` Khoảng cách

`->` It is about + distance + from N1 to N2 

`\text{# TF}`