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C. has lost, haven‘t found
D. is missing, haven’t found.
答案D. 前句是一个仍在持续的状态,应用进 行时,由于没有找到,其影响仍然存在,应 用完成时,瞬间动词用于否定式时可用于完 成时。
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• 2.不用进行时的动词
• 1) 事实状态的动词 have, belong, possess, cost, owe, exist, include, contain, matter, weigh, measure, continue I have two brothers. This house belongs to my sister.
动词的时态
一般现在时的用法 1经常性或习惯性的动作,常与表示频度的
时间状语连用。 时间状语: every…, sometimes,
at…, on Sunday I leave home for school at 7
every morning.
..
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2客观真理,客观存在,科学事实。 The earth moves around the sun. Shanghai lies in the east of China.
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2) 心理状态的动词 know, realize, think, see, believe, suppose, imagine, agree, recognize, remember, want, need, forget, prefer, mean, understand, love, hate
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一般过去时
• 1在确定的过去时间里所发生的动作或存在的状态。 时间状语有:yesterday, last week, an
hour ago, the other day, in 1982等。 Where did you go just now?.7Fra bibliotek现在进行时
1现在进行时的基本用法: a. 表示现在( 指说话人说话时) 正在发生的
事情。 We are waiting for you.
b. 习惯进行:表示长期的或重复性的动作, 说话时动作未必正在进行。
Mr. Green is writing another novel. (说话时并未在写,只处于写作的状态。)
I need your help. He loves her very much.
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3 ) 瞬间动词 accept, receive, complete, finish, give, allow, decide, refuse.
I accept your advice.
4) 系动词 seem, remain, lie, see, hear, smell, feel, taste, get, become, turn
You seem a little tired.
但,be用在现在进行时态表示一时的表现 You’re being very clever today.
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现在进行时表将来
• 1)口语,已计划安排好的事。 • I’m meeting Peter tonight. He’s
taking me to the theatre. • 以事物为主语多用一般现在 • 以人为主语时多用现在进行 • The train leaves at 9:30. • Nancy isn’t coming to the party.
She is learning piano under Mr.
Smith.
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c. 表示渐变的动词,有:get, grow, become, turn, run, go, begin等。
The leaves are turning red.
It's getting warmer and warmer. d. 与always, constantly, forever 等词连用,表 示反复发生的动作或持续存在的状态,往往带有 说话人的主观色彩。
You are always changing your mind.
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典型例题 My dictionary ___, I have looked for
it everywhere but still___ it. A. has lost, don‘t find
B. is missing, don’t find
•
does not speak well.
• 5表示现刻动作 • 比较:Now I put the sugar in the cup.
I am doing my homework now.
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一般现在时表示现刻动作 • 1)演示说明 • 2)球赛解说 • 3)动作描述或舞台动作描述 • 4)剧情介绍 • 5)讲书面材料的内容 • 6)指引道路 • 7)图片说明 • 8)here, there 后
注意:此用法如果出现在宾语从句中,即使主 句是过去时,从句谓语也要用一般现在时。 例:Columbus proved that the earth is round..
3表示格言或警句中。 Pride goes before a fall. 骄者必败。
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• 4现在时刻的状态、能力、性格、个性。 I don't want so much. Ann Wang writes good English but
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一般现在表示将来情况 1)表示按规定、计划或时间表要发生的事 I’m free from two to five this
afternoon. Are you free tonight? The train leaves in five minutes’ time.
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2)在时间或条件状语从句中,用一般现在 时表示将来动作
If I see Nancy I’ll ask her. We will let you know as soon as you
arrive.
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一般现在表示过去动作 He says he can’t wait any longer. My friend tell me that you’ve been unwell.