(完整word)asif用法歸納,推薦文檔

1、Never put off what you can do today until tomorrow.as if 用法歸納1 as if 從句的作用as if 一般可由 as though 來代替。引導表語從句 ，可在 look, seem 等系動詞后。如：He looked as if / though he was ill. 他看起來好像生病了。It seems as if it is going to rain.看來好像要下雨了。引導方式狀語從句。如：I remember the whole thing as if / though it happened yesterday.The c

2、hild talked to us as if he were a grown-up.那個小孩跟我們講話就像個大人一樣。2 as if 從句的語氣及時態(tài) as if 從句用 陳述語氣 。當說話者認為句子所述的是真實的或極有可能發(fā)生或存在的事實時，It sounds as if it is raining. 聽起來像在下雨。He talks as if he is drunk. 從他說話的樣子來看他是醉了。 as if 從句用 虛擬語氣 。 當說話人認為句子所述的是不真實的或極少有可能發(fā)生或存在的情況時，表示與現(xiàn)在事實相反 ，謂語動詞用一般過去式。如：You look as if you did

3、n t care. 你看上去好像并不在乎。When a pencil is partly in a glass of water, it looks as if it werebroken表示與過去或與談話時間為止發(fā)生的事實相反，謂語動詞用 “had+過去分詞 ”。如：Never put off what you can do today until tomorrow.He talked about the Great Wall as if he had been there before. 說起長城來好像他以前去過那里。The girl listened as if she had been

4、 turned to stone.女孩聽著，一動也不動，像已經(jīng)變成了石頭。表示與將來事實相反，謂語動詞用 “would / could / might + 動詞原形 ”。如：He opened his mouth as if he would say something.他張開嘴好像要說什么。It looks as if it might snow.看來好像要下雪了。3 as if 從句中的省略。如果 as if 引導的從句是 “主語 +系動詞 ” 結構，可省略主語和系動詞等成份， 這樣 as if 后就只剩下名詞、不定式、 形容詞（短語）或動詞 -ing 形式等。He acts as if

5、(he was) a fool. 他做事像個傻子。He paused as if (he was going) to let the sad memory pass.The girl left the room hurriedly as if (she was) angry. 女孩匆忙離開房間，好像生氣的樣子。From time to time, Jason turned round as if (he was) searching for someone.詞匯學習1. A smelly gas came out of the cracks. smelly : smell+ y = adj.

6、smell n./v(smelt/ smelled)Never put off what you can do today until tomorrow.擴展 : n.+y 構成形容詞blood-mud-rain-wind-taste-greed-sun-dream-cloud-ice-fat-fog-healthwealth4. But the one million people of the city, who thought little of these events, were asleep as usual that night.think of 想起，考慮think littl

7、e of不重視，忽視think nothing of認為沒什么think badly/poorly /ill of對 看法不好，評價很低think well/much / highly/a lot/ a great deal of對 重視 / 高度評價5. It seemed as if the world was at an end. at an end= finished結束，終結（作表語） We were very happy when the work was at an end. at the end of “在 盡頭；在 末” by the end of “到/ 截止 末”；主句一

8、般用完成時 in the end 意思“最后、終于” = at last/ finally1. Wash your hands at the end of _ the experiment.2. How many English words had you learned by the end of _ lastNever put off what you can do today until tomorrow.term?3. He tried various jobs and_in the end _ became a teacher.7.In fifteen terrible second

9、s a large city lay in ruins.在可怕的 15 秒鐘內(nèi)，一座大城市就沉淪在一片廢墟之中。lie( lay lain) 處于某種狀態(tài) ;躺，平躺，平臥平放中文原形過 去 式過去分詞現(xiàn)在分詞說明放置產(chǎn)laylaidlaidlaying卵及物動詞躺; 位于lielaylainlying不及物動詞說謊lieliedliedlying不及物動詞11.shockn.震驚 打擊His sudden death was a great shockto his family.shockvt. 使震驚使震動People were shocked (shock).我們對這個消息感到震驚。We were shocked atthe news.The news is shocking (shock)表示情感的動詞excite, surprise, interest, bore, move, shock,disappoint, satisfy,變?yōu)樾稳菰~時可加ing( 指物）或加ed (指人）短語句型過關burst into sth. = burst out doingIt seemed as ifat an end=Never put off what