How to use a, an, and the or blank?

[hoangthi]

Hello everyone, I am from VN, which is not a English country.
I can't remember to use a, an or the, blank...
Can you help me ?

 

[hoangthi]

And please tell me if any sentences of mine are incorrect.

 

[Rover_KE]

Please note that you could have used the Edit Post button to add your second request, hoangthi.

I typed 'Use of articles' in the Google Custom Search box at the top of the page. Click HERE to read previous answers to this question.

Rover