`78,` I'm going to visit after work in the evening.

- TLG : S + is/am/are + going to + V

- in + buổi trong ngày

`79,` Residents and store owners have concerned about new mall for few months.

- DHNB : for few months -> HTHT : S + have/has + Ved/V3

`80,` What is your mom going to do at weekend?

- What : cái gì, gì

- TLG : Wh + is/am/are + going to + V?

`81,` You ought to go to the market to buy fish and vegetables

- ought to + V : nên làm gì

`82,` People did everything without the help of modern equipment years ago.

- DHNB : years ago -> QKĐ : S + Ved/V2

- without sth : không có cái gì

`83,` How old were your brother and sister then?

- Hỏi tuổi : How old + be + S?

- QKĐ : Was/Were + S + ...?

`84,` Some people in the neighborhood are not happy with the changes.

- HTĐ với tobe : S + is/am/are + N/adj

`85,` It is difficult to learn two languages at the same time

 - It's + adj (for sb) to V : Như thế nào (cho ai) khi làm gì

- at the same time : cùng một lúc

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