新概念第一册89课知识点

发布 2020-09-15 00:41:28 阅读 5362

lesson89课知识点。

一. 单词讲解。

相信,认为。

1).believe+that从句(宾语从句)

believes that nothing is impossible.

2).believe in sth相信某物的存在。

you believe in ghosts?

3)believe in sb相信某人,相信某人的存在。

you believe in god?

4)believe it or not 信不信你(常用语口语)

5)make believe 假装,装作。

情态动词(用于请求许可)可以。

i sit down?

may i use you phone?

问句的回答通常用certainly\yes ,please\why not ?\sure表示同意,许可。不同意则用no i’m sorry\i’m afraid you not等 long 多少。

1) 多长(时间的长短)

---how long has he worked here?

2) 物体的长度。

3) how long is this desk ?

4) 与how 相关的特殊疑问词。

how often 多久,经常(问频度)

eg.--how often do you go swimming?

---i go swimming three times a week .

how soon 多久。

soon will you come back?

为什么(其问句是由because引导的原因状语从句)

因为(连词,引导原因状语从句)

because of 因为(其后跟名词,代词等作宾语,不接从句)

卖,**。sell sth to sb=sell sb sth

he sold his house to a banker

7.比较cost 和spend

cost 花费(金额,费用)其主语经常为物。

jacket costs 200 dollars.

cost sb+n

1) 花了某人多少钱。

this pen costs me 2 yuan.

2) 使某人付出(时间,劳力,生命等)

careless driving will cost you your life .

代价,**,费用,经费。

the cost of this desk is $55.

the cost of living 生活费用

spend 花费,其主语通常为人。

spend money on…..在…..花钱

i spent $20 on this book

spend time in doing ….在…花时间

he spends most of his time in tr**eling

8.比较worth worthy worthwhile

1)worth 值….多少钱。

be worth +n(当名次为金钱时,表示…值….)

be worth doing sth 值得做某事。

suggestion is worth considering.

2)worthy adj 值得…的。

be worthy of +n./doing….值得…

the question is worthy of being discussed

be worthy to do 值得做….

the method is worthy to be tried

3)worthwhile adj.值得花费时间,金钱的。

a worthwhile task值得做的工作。

二. 重点语法。

和since 在现在完成时中的运用。

1) for表示经历(一段时间),而since表示自从….以来,常见结构为:for+一段时间。

since+一段时间+ago/since+一个时间点/since+从句。

has lived here for 20 years.

he has lived here since 1982.

he has lived here since 20 years ago.

2)除了for, since以外,常和现在完成时的连用的副词还有already,ever,never,just,yet,in the past few years,over the last thirty years,so far up to now ,since 1980等。

colleague students h**e learned english for more than 6 years许多大学生已经学英语六年多了。

great changes h**e taken place in china in the past few years.在过去几年中,中国发生了巨大的变化。

i h**e never been abroad up to now .到现在为止我还没有出过国。

3)在现在完成时中,already和yet的区别:

already常用于肯定句中,yet常用于一般疑问句或否定句末。

eg tom has already finished his homework.

tom didn’t finished his homework yet ?

what!h**e you already finished it?

2.宾语从句一般是由名词或代词充当的,宾语一般在动词或介词的后面。

want an apple作的宾语)。

i like you作的宾语)

in front of the window作的宾语) .

some of them作的宾语)

用作宾语的从句叫宾语从句,即充当宾语成份的不是一个单词或词组,而是一个句子。

主语从句:一个句子充当主语。

定语从句:一个句子作定语。

状语从句:充当状语成份的是一个句子。

表语从句:充当表语成份的是一个句子。

宾语从句一般跟在两类词之后。

第一类:表示人的情感或心理活动的形容词。

afraid /sure/sorry/glad

这样句子的结构是:主语+此宾语+宾语从句。

eg i’m afraid that i can’t help you at moment.

they are sure that they will win the match.

he is sorry that he didn’t go yesterday.

第二类:普通动词。

think/know/believe/say/hope/understand

这样的句子结构是:主语+这类动词+宾语从句。

eg i think that you will pass the exam .

i believe i can fly.

引导宾语从句的关联词有从属连词,疑问代词,疑问副词,缩合连接代词,缩合连接副词等。

eg i am afraid that you can’t see him today(关联词是从属连词that)。

在非正式文体中,关联词that常被省去。

eg i hope you can come tomorrow(that被省略)。

i don’t know what he if you can help me .(从属连词if)

i wonder what he is writing to me about.(疑问代词what)

三.本课小结。

.is for sale待售。

h**e a look (at看一看…..

in the country在乡下。

how much does …cost? 花费….钱,卖….钱。

be worth值得。

i can’t decide我不能决定。

h**e the last word 最后拍板。

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