33..to give up smoking as soon as possible

34...said to grow a lot of cabbages in his field.

35...difficult to follow your directions.

36.....in swimming and sunbathing.

37.The professor whose course I am taking is excellent.

$33.$ The doctor advised me to give up smoking as soon as possible.

- S + advised + O + (not) + to V: khuyên ai nên/ không nên làm gì.

$34.$ He was said to grow a lot of cabbages in his field.

- Câu bị động khách quan: S + to be + V (Pii) + to V.

$35.$ It is difficult to follow your directions.

- Gerund + to be + adj = S + to be + adj + to V.

$36.$ He is interested in swimming and sunbathing.

- like + V-ing = to be interested in + N/ V-ing: thích làm gì/ có hứng thú với điều gì.

$37.$ The professor whose course I am taking is excellent.

- "whose" là đại từ quan hệ chỉ sự sở hữu.