1. I. Rewrite the sentences, using the present perfect or the present perfect continuous.
1. I started discussing my research proposal with my professor at the beginning of my
course. We're still discussing it.
I2. Nam's still studying English. He started studying it two years ago. (for)
…………………………………………………………………
3. I started learning how to play the piano eight months ago. I'm still learning it.
……………………………………………………………………………………
4. He attended two online vocational courses: one in 2012 and the other in 2013. (twice)
……………………………………………………………………………………………….
5. They visited this college in 2009, 2012 and 2014. (three times)
……………………………………………………………………………………………………………
2. • 6. She (read) a new book on science since last week. She will finish
it this Sunday.
• 7. She started doing her research project last month. She's still doing
it.
• 8. The university started building a new campus in May. They are
still building it. (since)
• 9. We have to cancel the picnic because of the rain. It (rain) all day.
• 10. Mary is staying at a homestay during her undergraduate
programme. The programme began three weeks ago. (for)
