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英语教案-American English

[11-20 13:40:28]   来源:http://www.77xue.com  七年级英语教案   阅读:8397
概要: 从词义上看,三词相近,均表示上下文之间语气的转折,其中but语气强烈,译作“但是”;从词性上看,however作“然而、可是”解时是副词,而but与while是连词,用于连接并列分句;从句子位置看,but与while一般位于两个并列分句的中间,however位置灵活,可位于可首,句中或句尾,而且必须用“,”与句子分开。例如:We love peace, but we are not afraid of war.This plan is all right; however, it can be made better.I’m interested in sports while my brother is fond of music. He is young, but he knows a lot. 他尚年幼,但懂得却多。Later, however, he decided to go. 可后来他决定去了。英语教案-American English由www.77xue.com收集及
英语教案-American English,标签:初一英语教案,七年级下册英语教案,http://www.77xue.com

 从词义上看,三词相近,均表示上下文之间语气的转折,其中but语气强烈,译作“但是”;从词性上看,however作“然而、可是”解时是副词,而but与while是连词,用于连接并列分句;从句子位置看,but与while一般位于两个并列分句的中间,however位置灵活,可位于可首,句中或句尾,而且必须用“,”与句子分开。例如:

We love peace, but we are not afraid of war.

This plan is all right; however, it can be made better.

I’m interested in sports while my brother is fond of music.

   He is young, but he knows a lot. 他尚年幼,但懂得却多。

Later, however, he decided to go. 可后来他决定去了。


英语教案-American English由www.77xue.com收集及整理,转载请说明出处www.77xue.com

3.A great many words and expressions have come into the language from American English…

英语中表“许多”的词组有很多,一般可按其用法分为以下三类:

 修饰可名词:many; a great (good, large ) number of; quite a few; numbers of; many a ; a great (good) many; scores of 等。many a ,其意近似于many , 但many a 后边接可数名词单数,如:

Many a student has such a question.

 修饰不可数名词:much; a great (good ) deal of; a large amount of; large amounts of等。

 既可修饰可数名词,也可修饰不可数名词:a lot of (lots of ); plenty of; a large quantity of; large quantities of 等。

plenty of, a lot of / lots of常用在肯定句中,否定句中多用many或much 。如:

Today I haven’t much work to do. 今天我没有许多事做。

4. Now ask your partner for the answers.

句式“ask + 名(人)+ for +名”意为“向(某人)请求……”;“向(某人)要求……”,例如:

He asked his parents for a motorcycle.

比较下列句式:

句式一:ask +for+名,向……要,例如:

After dinner I asked for coffee.

句式二:ask +名(+ for/to+ 名), 请……,例如:

I have been asked for (to) dinner tonight.

句式三:ask + 名(人)+副词+for / to + 名,请……,例如:

He asked me in for a cup of coffee.

I asked her out to lunch.

句式四:ask for + 人,要求(人)来(接电话),例如:

A Mr Simpson from Sydney is asking for the manager.         

5.as用法小结

1)as用作介词,意为“作为”,“如同”。as引导的介词短语大多作状语,有时也可用作定语、定语补足语等。例如:

(1)It was Paul’s first important lesson as a student of Chemistry and he never forgot it.

(2)Dont treat me as a child. 别把我当小孩看待。

(3)He is well-known as a writer. 作为一名作家他很出名。

2)as作连词,有以下几种不同含义:

a. 引导时间状语从句,意为“当……时候”,“随着……”“一边……一边……”。如:

He saw his daughter as he was getting off the bus.

 他下车看见了他的女儿。(两个短暂动作几乎同时发生)

b. 引导原因状语从句,意为“因为”,“既然”,as = since(语气比because弱)。as原因状语从句多位于主句前。如:

(1)As (Since) you are not feeling well, you may stay home.

   既然你不太舒服,你就留在家里吧。

(2)As he was ill, I went without him. 因为他有病,我独自去了。

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