3. It took us 5 months to build the house

(dịch: Chúng tôi mất 5 tháng để xây dựng ngôi nhà)

=> We spent 5 months building the house

4. It takes Mary 1 hour to do the gardening

(dịch:Mary mất 1 giờ để làm vườn)

=> Mary spends 1 hour doing the gardening 

5. David spent 2 hours doing morning exercise yesterday

(dịch:David đã dành 2 giờ để tập thể dục buổi sáng hôm qua)

=>It  took David 2 hours to do morning exercise yesterday

6. Richard spends one hour and a half cooking every day.

(dịch:Richard dành một tiếng rưỡi để nấu ăn mỗi ngày.)

=> It takes Richard one hour an a half to cook everyday

7. It is a fifteen minute ride to the post office.

=> It takes me a fifteen minute to ride the post office

8. Stacey spends all her free time painting.

It takes Stacey all her free time to paint

9. It takes her about two hours each day to do her homework.

She spends about two hours each day doing her homework

10. It takes me about two hours each day to do my homework.

I spend about two hours each day doing my homework

11. It takes us 30 minutes to walk to school.

We spend 30 minutes walking to school

12. It is a two-hour walk to the beach.

It takes two-hour to walk to the beach

13. It took me fifteen minutes to walk to the post office.

=> I spent fifteen minutes walking to the post office

14. It takes him 30 minutes to do the housework.

He spends 30 minutes doing the housework

Cấu trúc : It takes/took (sb) + time + to do something 

S + spend + time/money + V-ing.

3. It took us 5 months to build the house

=> We spent 5 months building the house
4. It takes Mary 1 hour to do the gardening
=> Mary spends 1 hour doing the gardening 
5. David spent 2 hours doing morning exercise yesterday
=>It  took David 2 hours to do morning exercise yesterday
6. Richard spends one hour and a half cooking every day.
=> It takes Richard one hour an a half to cook everyday
7. It is a fifteen minute ride to the post office.
=> It takes me a fifteen minute to ride the post office
8. Stacey spends all her free time painting.
It takes Stacey all her free time to paint
9. It takes her about two hours each day to do her homework.
She spends about two hours each day doing her homework
10. It takes me about two hours each day to do my homework.
I spend two hours each day doing my homework
11. It takes us 30 minutes to walk to school.
We spend 30 minutes walking to school
12. It is a two-hour walk to the beach.
It takes two-hour to walk to the beach.
13. It took me fifteen minutes to walk to the post office.
=> I spent fifteen minutes walking to the post office
14. It takes him 30 minutes to do the housework.
He spends 30 minutes doing the housework.