Example : 

- I spend three times doing my homework 

--> It takes me three times to do my homework 

- I have difficulty (in) keeping my house clean 

- This nife comes in handy = This knife is useful 

- I have to pick up / collect / gather the water from the river in the top of the moutain 

* Lý thuyết : 

- spend time / money + V-ing : dành thời gian tiền bạc làm gì 

- It takes / took s.o + TG to do sth : nó mất của ai bao lâu để làm gì 

- have difficulty in + V-ing : gặp khó khăn trong việc gì 

- come in handy = be useful  

- collect = pick up = gather : thu thập 

------------- Chúc bạn học tốt %_% ---------------

`@` S + spend/ spent + time + Ving = It takes + O + time + to V

Ví dụ : I spent hours watching movies =It takes me hours to watch movies

`@` Have( has/ had ) + difficultly + Ving 

Ví dụ :  She has difficulty remembering people's names.

`@` Pick up = Collect = Gather 

Ví dụ : Pick up your books, collect your thoughts, gather your belongings before we leave.

`@`  Expecially useful 

Ví dụ :  The technology will be especially useful in parts of the world where there's a shortage of physicians.

`@` Instant access 

Ví dụ : It's the easiest way to get instant access to your content, no matter which device you're using.

`@` Convenient = Handy

Ví dụ : I find it very convenient to use my handy smartphone for quick access to information.