译林2003课标版《Grammar and usage(2)： Present perfect continuous tense》集体备课教案设计

译林2003课标版《Grammar and usage(2)： Present perfect continuous tense》集体备课教案优质课下载

Teaching procedures

Step 1. revision

translate the following sentences

美国警方现已加紧对一名15岁男孩的搜索。

People in America ________________________their search for a fifteen-year-old boy.

自从上周五晚我就没有看到贾斯汀了。

I _________________________________Justin since last Friday night.

该事件引起了公众的极大兴趣...

This incident____________________________ great interest...

Step2.The usage of present perfect tense and present perfect continuous tense

现在完成时和现在完成进行时应用广泛，是高考命题的热点之一，下面详细讲解一下它们的用法和区别。

现在完成时

(1)现在完成时用来表示过去发生或已完成的动作或状态对现在造成的影响或结果,也就是说,动作或状态发生在过去但它的影响现在还存在.

I have lost my wallet.(含义是:现在我没有钱花了.)

Jane has just had breakfast.(含义是:简现在不饿了.)

Michael has been ill.(含义是:现在仍然很虚弱)

He has returned from abroad. (含义是:现在已在此地)

1.My father bought many books for me yesterday .

Now , I have a lot to read because my father _______many books for me.(buy)

2.I saw this film last week.

Now, I know this film because I_____________it before (see)

3. I did my homework yesterday.

Now, I can give it to the teacher because I________it(do)

(2)现在完成时可以用来表示发生在过去某一时刻一直持续到现在的动作和状态,常与表示持续的时间状语连用. 表示持续动作或状态的动词多是延续性动词。

I haven’t seen her these days.