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1、2022年高三英語一輪復習 Module2 Unit1 現(xiàn)在完成時和現(xiàn)在完成進行時 語法學案
☆現(xiàn)在完成時
n 1.構(gòu)成
n have/has + 過去分詞(done)
通常使用現(xiàn)在完成時的幾種情況
n (1)表示過去發(fā)生的某一動作對現(xiàn)在造成的結(jié)果或影響。
n The disappearence of Justin has made Kelly very unhappy.
n (2) 表示動作從過去開始,持續(xù)到現(xiàn)在。
n Justin has lived in Dover since he was born.
n (3)表示動作的確切時間不明確或不重要
n Th
2、e boy has already e home.
n (4) 表示剛結(jié)束的動作
n The police have just finished searching Justin’s home.
n (5) 表示反復發(fā)生的動作
n Some villagers say that they have seen UFOs many times.
常與現(xiàn)在完成時連用的時間狀語
n (1). 情況 (1)(3)(4)
n already, yet, ever, just, recently, lately, never, before(adv.)
n ①The boy
3、 has already/just got home.
n ②I haven’t heard from him yet/recently/lately.
n ③I have seen the old man somewhere before.
(2). 情況 (2) since/for
n I have lived in Beijing since 2000.
since I arrived here.
for 5 years.
(3). 情況 (5) times, recentl
4、y, lately
n Some villagers say that they have seen UFOs many times/recently/lately.
☆現(xiàn)在完成進行時
n 1.構(gòu)成
n have/has + been + 現(xiàn)在分詞(doing)
通常使用現(xiàn)在完成進行時的幾種情況
n (1) 表示過去開始的動作一直延續(xù)到現(xiàn)在并仍在繼續(xù)之中
n She has been talking to me since she saw me.
n (2) 表示過去開始的動作剛結(jié)束并在某種情況下與現(xiàn)在有關聯(lián)
n —Sorry I am late. Hav
5、e you been waiting long?
n —Yes. I have been waiting for an hour.
☆現(xiàn)在完成時與現(xiàn)在完成進行時的區(qū)別
n 1.現(xiàn)在完成時與現(xiàn)在完成進行時都表示動作從過去開始,但現(xiàn)在完成時表示事件或動作剛結(jié)束,而現(xiàn)在完成進行時則強調(diào)動作仍在繼續(xù)
n I have read a book.
n I have been reading a book.
n 2.現(xiàn)在完成時可表示反復發(fā)生的動作,提問時用how many times。而現(xiàn)在完成進行時則表示持續(xù)的、不間斷的動作,提問時用how long
n I have vis
6、ited Egypt twice this month.
n How many times have you visited Egypt?
n I have been visiting Egypt for two months.
n How long have you visited Egypt?
n 3.現(xiàn)在完成時可以用持續(xù)性動詞和短暫性動詞作謂語,
而現(xiàn)在完成進行時則只能用持續(xù)性動詞。
I have done my homework.
I have finished my homework.
I have been doing my homework.
I have been finishing my homework
簡而言之:
n ★短暫性動詞:
不可以用于現(xiàn)在完成進行時,
只能用于現(xiàn)在完成時
n 4.現(xiàn)在完成時的句子中可以用像never、yet、already和ever等作時間狀語,而現(xiàn)在完成進行時的句子中則不可以用這樣的詞
n I have already been to Beijing.
n I have never been to Beijing.
n I haven’t been to Beijing yet.