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初中英语考试常用易错词汇辨析

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英语常用易错词汇辨析
1.for / from / since
(1)三者都能用来表示时间,但用法不同。
since “自从”,所表示的是一个时间点。可用作介词,也可用作连词,后接时
间名词或短语,或引导时间状语从句;要求前面的谓语动词或主句的谓语动词必
须用完成时态,要用延续性动词。 since 引导的从句中的谓语动词通常应是短
暂性的动词。若接时间,则应为点时间。如:
He has worked there since1989.
他自从 1989 年就开始在那里工作了。
She has lived here since she moved here.
自从她搬过来就一直住这里了。
(2)from “自从” 只用作介词,表一个事情的开始点,可用于过去、现在或
将来的时态。如:
① They worked from 7:00 to 12:00 this morning.
他们从今天早上 7:00 一直工作到 12:00.
We have been good friends from childhood.
我们从孩童时期就一直是好朋友。
(3)for 作为介词,后面接段时间,用于完成时、现在时、过去时和将来时,
句中要用延续性动词。如:
① We’ll stay here for ten minutes.
我们将在这儿呆 10 分钟。
② They have studied English for three yeas.
他们已经学习英语三年了。
2.although/ though
(1)although conj.“尽管、虽然”引导让步状语从句,相当于 though.只是
though 稍微正式些。多用于句首。though 用于非正式文体中,较普遍,但以
下几种用法,不能用 although.如:
① 表强调时,要用 even though,
如:
Even though I didn’t understand a word, I kept smiling.
尽管我一字不识,我还是一直微笑着。
②though 可用在倒装句中,如:
Young though he is, he is quite experienced.
他虽然年轻,但很有经验。
though 可作副词,表示“然而”放在句末或其它位置。如:He said he would
come, he didn’t though.他说他要来,结果他却没来。
[此外],although 不用着副词。在英语中如果用了 although 或 though, 就不
能再有 but,但可以用 yet 或 still; 反之,如果用了 but , 就不能用 although
和 though.如:
Although he is in poor health, (yet) he works hard.= He is in poor health,
but he works hard.
虽然他身体不好,但他工作仍努力。
②Although it was so cold, he went out without an overcoat.
虽然天气很冷,他未穿外衣就出去了。
① He is quite strong, although very old.
他虽然很老了,但还是十分健壮。
(2)though 常用作连词,“虽然”。在口语中还用着副词,一般放在句末,
意为“可是、然而”等。如:
① He didn’t light the fire, though it was cold.
天气虽很冷,他却还没生火。
②Though it was very late, he went on working.
虽然很晚了,他还是继续工作。
③ He said he would come, he didn’t, though.
他说他来,可是结果他没有来。
3.always/ often/ frequently/ often/
usually/ sometimes/ never
(1)这几个词都是表频度的副词,它们之间的区别可用百分比来区分:
(0%)→(20%)→ 70%)→(75%)→(100%)
从不 —→ 有时 —→ 时常 —→ 通常 —→ 总是
即:
never(0%)→sometimes(20%)→often/frequently(70%)→usually(75%)→alway
s(100%)
(2)always “永远、总是”。与进行时连用时,表“再三地、老是”等意思。
有时还表“生气或不耐烦”等盛情色彩。如:
①The sun always rises in the east.
太阳总是从东方升起。
②I always get up at seven o’clock.
我总是在七点钟起身。
③The boy is always asking whys.
这男孩老是问这问那没个完。
(3)often “时常、常常”强调经常性。如:
①He often comes here to see me.
他时常到这儿来看我。
②We have often been there.
我们时常在那。
(4)frequently “时常、屡次”常与 often 通用。但它强调次数频繁。如:
①Business frequently brings him to Shanghai.他时常因事到上海去。
②He frequently comes here to see her.
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英语常用易错词汇辨析 1.for / from / since (1)三者都能用来表示时间,但用法不同。 since “自从”,所表示的是一个时间点。可用作介词,也可用作连词,后接时间名词或短语,或引导时间状语从句;要求前面的谓语动词或主句的谓语动词必须用完成时态,要用延续性动词。而since引导的从句中的谓语动词通常应是短暂性的动词。若接时间,则应为点时间。如: ①  He has worked there since1989. 他自从1989年就开始在那里工作了。 ②  She has lived here since she moved here. 自从她搬过来就一直住这里了。 (2)from “自从” 只用作介词,表一个事情的开始点,可用于过去、现在或将来的时态。如: ① They worked from 7:00 to 12:00 this morning. 他们从今天早上7:00一直工作到12:00. ②  We have been good friends from childhood. 我们从孩童时期就一直是好朋友。 (3)for 作为介词,后面接段时间,用于完成时、现在时、过去时和将来时,句中要用延续性动词。如: ① We’ll stay here for ten minutes. 我们将在这儿呆10分钟。 ② They have studied English for three yeas. 他们已经学习英语三年了。 2.although/ though (1)although conj.“尽管、虽然”引导让步状语从句,相当于 though.只是比though稍微正式些。多用于句首。though 用于非正式文体中,较普遍,但以下几种用法,不能用although.如: ① 表强调时,要用even though, 如: Even though I didn’t understand a word, I kept smiling. 尽管我一字不识,我还是一直微笑着。 ②though可用在倒装句中,如: Young though he is, he is quite experienced. 他虽然年轻,但很有经验。 ③ though 可作副词,表示“然而”放在句末或其它位置。如:He said he would come, he didn’t though.他说他要来,结果他却没来。 [此外],although不用着副词。在英语中如果用了although 或 though, 就不能再有but,但可以用yet 或still; 反之,如果用了but , 就不能用although 和 though.如: ① Although he is in poor health, (yet) he works hard.= He is in poor health, but he works hard. 虽然他身体不好,但他工作仍努力。 ②Although it was so cold, he went out without an overcoat. 虽然天气很冷,他未穿外衣就出去了。 ① He is quite strong, although very old. 他虽然很老了,但还是十分健壮。 (2)though  常用作连词,“虽然”。在口语中还用着副词,一般放在句末,意为“可是、然而”等。如
初中英语考试常用易错词汇辨析