1. In the park there are benches for people to sit on.

2. This is the swimming-pool for children to swim in.

-> MĐQH giản lược : There + be + st + for sb to V 

Đáp án:

 1. In the park, there are benches for people to sit.

 2. This is the swimming-pool for children to swim.

Giải thích các bước giải:

1. In the park, there are benches on which people can sit.

 Obj: "people"

 Verb: "sit"

=> Áp dụng cấu trúc: "for + obj + to V" (để ai làm gì)

Đáp án: In the park, there are benches for people to sit.

2. This is the swimming-pool in which children can swim.

 Obj: "children"

 Verb: "swim"

=> Áp dụng cấu trúc: "for + obj + to V" (để ai làm gì)

Đáp án: This is the swimming-pool for children to swim.