1. You began taking part in this Englis- speaking club last month ago.

2. My teacher last talked to us when we left school.

3. He began learning English very well at the beginning of this year.

4. My father stopped planting trees in the garden 2 months ago.

5. The car industry in England started developing many years ago.

6. I last visited Uncle Tri in 2005.

7. My uncle began teaching english 5 years ago.

8. She stopped writting to John in August.

9. The Pikes began living here in ...

10. They stopped producing this kind of toy a long time ago.

11. We last saw Mary when we left university.

12. Snow stated dropping in this area in last december.

1.taken->taking-began+Ving                3.learnt->learning            4.planted->planting            5...started developing for...

6.bỏ not                      7.taught->teaching                  8.written->writing          9.lived->living    10.produced->producing

11.seen->saw-S+last+Ved/c2.....t/g quá khứ....                   12.dropped->dropping

GIẢI THÍCH:began/stop/start+Ving