1)already; never; ever; just; once(twice, three times,…)

2)since / for短语(表示时间段)

　 since two years ago = for two years

3)so far　

4)单独的before

5)in the past/ last 200 years

6)this year; today; these days

注意：

since + 过去时间 /过去时从句　 提问用

for + 时间段　　　　　　　　 how long

eg. 1) Tom has been in China for two years.

2) He has been at this school since he came here.

3) I have learned 20 English songs since two years ago.

2、过去开始的动作持续到现在(常与表时间段的since/for短语连用)

eg. 1)I have lived here for ten years.

　 2) He has learned English since three years ago.

1、过去的动作对现在造成了影响和结果

eg. 1)I have opened the door.

= I opened the door . Now the door is still open

　2) She has lost her book.

= She lost her book. Now she is looking for it everywhere.

　3)They have come here.

= They came here. Now they are still here.

5.The result was _______________ (frustrate).

[自读材料]：

现在完成时(The Present Perfect Tense)

4.-How do you like your teacher’s _______________ (pronounce)?

　 -Pretty good.

3.-Do you like that movie?

　 -Yeah. I get _____________ (excite) whenever I watch it.

2.I’m doing a survey about how ____________ (improve) English quickly.

1.-How do you study English?

　 -By ______________ (listen) to tapes.

10.(　 )My friends always ask me ______ my family.

A. at　　　　 　　　B. of　　　　 　　　C. about　　 　　　D. on

9.(　 )I find this book very ________.

A. interested　 　　　B. interesting　 　　　C. interest　 　　　D. interests