`33` . Jane has never visited Vietnam before.

`->` This is the first time + hiện tại hoàn thành = S + has/have + never +Pii + ... before

`34` . The doctor advised him to relax after a hard working week.

`->` advise sb to do sth : khuyên ai đó làm gì

`35` . Unless he takes these pills , he won't be better.

`->` Unless = If not

`36` . A new mall has been built near my neighborhood recently.

`->` Bị động hiện tại hoàn thành : have/has been Pii

33. Jane has not visited Vietnam before.

<This is the first time S + have/ has + ever + Ved/ P2 → S + have/ has + not + Ved/ P2 + before>

34. The doctor advised him to relax after a hard working week.

<Advise + to/ not to + V<infi>>

35. Unless he takes these pills, he won't be better.

<If + S + don't/ doesn't + V, S + will + be + adj/ V<infi> → Unless + S + V<htd>, S + will + V/ be + adj>

36. A new mall has been built near my neighborhood recently.

<S + have/ has + Ved/ P2 + O → O + have/ has + been + Ved/ P2 + (by)>