`33`. Parents and children should spend time together.

`->` S + should + V-inf: nên làm gì

`34`. I haven't seen her for `5` years.

`->` S + have/has + not + V-pII + for + time: chưa làm gì trong bao lâu

`35`. Jenny doesn't feel well today because she is having a terrible headache.

`->` HTĐ: S + do/does + not + V-inf

`->` HTTD: S + am/is/are + V-ing

`36`. His motorbike broke down so he thought about buying a new one.

`->` QKĐ: S + V-ed/c2

`->` think about sb/sth: nghĩ về