Question

You (understand) the use of the present simple tense now?

Yes, I (do) an excercise on it at present and I (think) that I (understand) it now.

Kèm giải thích luôn nhé.

Answer 1

You (understand) the use of the present simple tense now?

Do you understand

Mặc dù có từ "now" nhưng ta dùng thì HTĐ vì động từ " understand" là một V đặc biệt ko dùng đc ở thì HTTD

Yes, I (do) am doing -> hđ này đg diễn ra qua từ at present an excercise on it at present and I (think) think -> cũng gần tương tự vs V understand thì think là V tri giác ko dùng cho thì tiếp diễn ở trường hợp này. that I (understand) understand it now.

Answer 2

Do you understand

do

think

am understanding

Answer 3

You (understand) DO YOU UNDERSTAND the use of the present simple tense now?

Yes, I (do) AM DOING an excercise on it at present and I (think)THINK that I (understand) WILL UNDERSTAND it now.