Chuyển thành thì hiện tại hoàn thành hoặc thì quá khứ đơn
1 I started collecting stamp last winter
-..........................................
2 This singer's last performance was in July 20 th
- ..........................................
3 They began playing tennis in the spring of 2012
-.................................................
4 I last went to the zoo when I was 10
-......................................
Chuyển thành thì hiện tại hoàn thành hoặc thì quá khứ đơn
1 I started collecting stamp last winter
-............. I have collected stamp since last winter.............................
2 This singer's last performance was in July 20 th
- ..... This singer hasn't performed since July 20th............................
3 They began playing tennis in the spring of 2012
-................. They have played tennies since the spring of 2012.......
4 I last went to the zoo when I was 10
-.............. I haven't gone to the zoo since i was 10........................
Chuyển thành thì hiện tại hoàn thành hoặc thì quá khứ đơn
1 I started collecting stamp last winter
-..I have collected stamp since last winter........................................
2 This singer's last performance was in July 20 th
- .....This singer hasn't performed since July 20 th.....................................
3 They began playing tennis in the spring of 2012
-....They have played tennis since the spring of 2012.............................................
4 I last went to the zoo when I was 10
-......I haven't gone to the zoo since i was 10................................
.
Chúc bạn học tốt!!!!
