常見的這類動詞
1.擁有 have
2.具備、具有 possess
3.保持 keep
4.知道 know
5.學習 learn,study
6.生活 live
7.閱讀 read
8.睡覺 sleep
9.等待、等候 wait
10.工作 work
11.看、聽、聞 look、heard、smell
12.喝 drink
13.有 have
14.跑 run
用法
用於現在完成時：for+一段時間。
since+時間點
since+一段時間+ago
since+從句（一般過去時）等
常見的這類動詞有：be，have，keep，know，learn，lie，live，read，sing，sleep，stand，stay，wait，walk，watch等。
示例
1．I have learned more than 1000 Chinese words since I came to China． 自從來到中國，我已經學會了l000多個漢字。
2．We have lived in Linqing since we came here．自從來到這兒，我們就一直住在臨清。
3．I have kept the picture for about three years．這張畫我保存了大約三年。
