@gaukind2008

*Hện tại hoàn thành:

- We haven't made our decision yet.

- It's is the first time I have driven a car.

- This is the most beautiful place that I have visited

- They have just build a new house in their hometown.

- I have seen this film many times.

*Mình viết câu dựa vào dấu hiệu nhận biết, mình có in đậm á.

*Quá khứ đơn

- I was at home

- I wasn't at home

- I did my homework

- I didn't do homework

- I played badminton

*Cấu trúc: 

+) S + be/V_ed +...

-) S + be not/ didn't + V_inf

- Hiện tại hoàn thành 

+ It's been 2 months since I first met you

+ He has eaten this kind of food a few times already

+ Have you ever traveled to the US ?

+ She has written three books and is now working on her fourth.

+ It's been 5 years since we first flew to Singapore

- Qúa khứ đơn 

+ A terrorist incident happened two months ago

+ David fell down the stairs yesterday so his leg hurt

+ If I were you, I wouldn't do it

+ I wish I was in America right now

+ He worked as a teacher for five years