2. They started studying English when they were in grade 3. They have 3. This is the first time I have been abroad. I haven

1 bình luận về “2. They started studying English when they were in grade 3. They have 3. This is the first time I have been abroad. I haven”

1. 2. They started studying English when they were in grade 3 .

   <-> They have studied English since they were in grade 3 .

   3.This is the first time I have been abroad .

   <-> I haven’t been abroad before .

   4. I haven’t met my aunt since I was 10 years old 

   <-> The last time I met my aunt was when I was 10 years old .

   5. It is a long time since she last saw her parents.

   <-> She hasn’t seen her parents for a long time. 

   6. This is the first time I have seen this movie .

   <-> I haven’t seen this movie before .

   7. I last saw him 3 weeks ago .

   <-> I haven’t seen him for 3 weeks .

   8. The children haven’t been taken to park since 2012 .

   <-> The children last took to park in 2012 .

   9. He last sent me postcards when he was in Paris .

   <-> He hasn’t sent me postcards since he was in Paris .

   10. When did you start to wait for the bus ?

   <-> How long have you waited for the bus ?

   Cách biến đổi thì thì Quá khứ đơn sang Hiện tại hoàn thành và ngược lại 

   * S+(last)+V(chia thì quá khứ đơn dạng khẳng định)+………..+when…..TG/ago

   <-> S+V(chia thì hiện tại hoàn thành dạng phủ định )+………+since………/for….TG…(bỏ last)

   * The last time+S+V (chia ở thì quá khứ đơn dạng khẳng định)+….+was in(at)…./was……ago

   <->                   S+V(chia ở thì hiện tại hoàn thành dạng phủ định)….+ since/for

   * S+V(chia ở thì quá khứ đơn-start/begin)+…….+ago

   <-> S+V(chia ở thì hiện tại hoàn thành)+…………+since/for(bỏ start/begin)

   *                                           S+V(chia ở thì hiện tại hoàn thành dạng phủ định/never)+…….+before

   <-> It/This is the first time+S+V(chia ở thì hiện tại hoàn thành dạng khẳng định)+…….(bỏ before)

   *                                 S+V(chia ở thì hiện tại hoàn thành dạng phủ định/never)+for+time

   <-> It’s+time+since+S(last)+V(chia ở thì quá khứ đơn dạng khẳng định)+…….(bỏ for)

   —Chúcbạnhọc tốt—

   $#nguyenthihongngoc8292$

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