现在完成时的第二种用法中,表示的是“过去开始的动作持续到现在”,所以该类用法中要求谓语动词必须使用延续性动词(简称“长命动词”)。在该用法中应将非延续性动词(简称“短命动词”)转化为延续性动词。常见的转化如下:

buy-have ; borrow-keep ; die-be dead ; leave-be away (from); come back-be back; fall asleep-be asleep ; open-be open ;catch a cold-have a cold; go /get out-be out;

arrive (reach / get to / come to) +地点-be in +地点;join-be in +集体(或be  + 成员);

turn on-be on; turn off-be off ; get a letter from-have a letter from. end /finish-be over ; get up-be up ; get to know (相识)-know(认识) ; begin-be on

eg.

1) He has (A) bought (B) the fridge (C) for (D) two years.          _____________

2)How long (A) may (B) I borrow (C) the (D) book?            ______________

3)The film (A) has begun (B) for five minutes(C).             _____________

4)Tom has got (A) the letter (B) from (C) Jim for two days (D).        _____________

5)I have (A) caught (B) a cold since two years ago (C).          ______________

6)He has (A) come to (B) Beijing for ten years(C)             _______________

7)My brother (A) has joined (B) the army (C) for (D) five years.       _______________

另外注意以下句型的转化:

1.他父亲死了十年了。

His father died ten years ago.

= His father has been dead for ten years

= His father has been dead since ten years ago.

= It is ten years since his father died.

= It has been ten years since his father died.

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