`1` Ba doesn't play soccer as well as Nam.

`-` So sánh bằng phủ định với trạng từ:

`->` S1 + not + V + as + adv + as + S2

`-` Trường hợp đặc biệt: good/well `->` better `->` the best 

`-` HTĐ: S + do/does + not + V

`2` It is not easy to speak English fluently.

`-` It's + (not) + adj + to V

`3` It is two years since she left university.

`-` It's + khoảng thời gian + since + S + V2/ed: đã bao lâu kể từ khi ai làm gì

Ba doesn't play soccer as well as Nam.

`-` So sánh không bằng: S1 + aux + not + V + as + adv + as + S2

It is not easy to speak English fluently.

`-` It's + (not) + easy + to V: (không) dễ làm gì

It is `2` years since she left university.

`-` It's + năm + since + S + Ved/c2