1. She started learning English last year. She is still studying.
She learned English last year. she is studying
2. The students started arriving in four years. They are still coming.
students for four years. they are coming
3. I begin to discuss my project in front of the class. I am still discussing it.
I discuss the project from my class. I am still discussing it.
4. Nam is still learning English. He started studying it two years ago. (for)
 Nam is still learning English. He's for two years ago
5. He has attended two online vocational courses: one in 2012 and one in 2013. (twice)
He has attended two online career courses: one for 2012 and one in 2013.
6. The university began construction of its new campus in May. They are still building it. (from)
The university started building the campus in May. They are still building it.
7. Graduates arrive at four o'clock. They are both in the lecture hall.
The students graduate until four o'clock They are all in the lecture hall.

~ xin hay nhất~

1. She learned EL last year, she is studying

2. Students for4 years ,they are coming

3. I discuss the project in front of the class. I am still dicussing it

4. Nam is still learning EL . He's studying for 2 years ago.

5. He has attended two online career courses: one for 2012 and one in 2013.

6. The university started building a new campus in May. They are still building it.

7. The students graduate until four o'clock They are all in the lecture hall.