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新概念一册lesson 89-90课堂重点
一.单词语法点：
1.believe: v. 相信，认为
拓展：belief n.信仰
believable adj.可信的
unbelievable adj.不可信的
搭配：believe in sb. 信任某人
2.may: modal verb 可以
拓展：maybe adv. 可能，也许，大概
3.sell: v. 卖，出售
拓展： seller n.卖方
反义词:buy v.买
搭配：sell sb. sth.=sell sth. to sb.卖给某人某物
sell sth for 钱. 把某物以多少钱的价格卖掉
4.retire: v.退休
搭配：retire from 从......退休
5.cost：v.花费
▲辨析：cost,spend,take,pay
cost: sth. cost sb.+金钱
pay: sb. +pay+金钱+for sth.
spend：sb. spend+时间/金钱+on sth.
sb. spend+时间/金钱+(in) doing sth.
take: it takes/took sb.+时间+ to do sth.
翻译：
1、我花了30元买花
2、这本书花费了我30元
3、我花费30分钟写作业（三种写法）
6.pound: n. 英镑（货币单位），磅（重量单位）
短语： a pound of 一磅......
7.worth: prep. 值......钱 adj.值得的
搭配：be worth doing 值得做某事
拓展：worthy adj.值得......的
be worthy of (doing) sth.值得做某事
worthwhile adj.值得花费时间/金钱的
It is worthwhile to do sth做某事是值得的
worthless adj.无价值的
8.pence: n.便士（penny的复数）
拓展：100 pence=1 pound
9.Because: conj. 因为
表达因果关系时，不能和so同时使用
二．现在完成时
1.概念：
过去发生的动作对现在造成的影响或结果：
强调结果Yesterday I finished my homework, that’s to say, I have finished my homework now.
过去已经开始一直持续到现在的动作或状态：
强调继续He has lived here since 1978.
2.时间状语：
强调结果：already\yet\just\never\ever
强调继续：for+一段时间\since+时间点
3.构成：
肯定：主语+have\has+过去分词+其他
①I have just finished my homework. 我刚做完功课
②I have lived in Guangzhou for more than three years. 我已经在广州住了三年多了。
③My sister has seen the movie many times. 那部电影我姐姐看过好多次了。
否定句和疑问句的构成。
否定句：主语+have /has +not+过去分词+其他.
说明：have和has常与not 缩写成haven't 和hasn't .
①I haven't seen much of him recently 最近我没怎么见到他。
②He hasn't been to Japan.他没有去过日本。
一般疑问句： Have /Has +主语+过去分词+其它？
肯定回答： Yes, 主语+have /has.
否定回答： No, 主语+have /has not。
——Have you finished your homework 你已经做完家庭作业了吗？
——Yes, I have. (No, I haven't ) 是的 。（不，还没有）
④–-Has he passed the test yet 他考试及格了吗
—-Yes, he has. (No , he hasn't ) 是的。（不，没及格）
4.过去分词变化规则:（规则变化同过去式）
1）直接+ed \以e结尾+d\辅音+y结尾去y变ied\重读闭音节结尾，双写尾字母+ed\
2)不规则动词
三. 课文语法点
1.I believe that this house is for sale.
believe+that宾语从句
for sale待售
May I have a look at it, please Yes, of course.
May I... 表请求,may情态动词
have a look at 看一看~
How long have you lived here I’ve lived here for twenty years.
How long提问多长时间
for+时间段，表示持续了多长时间，现在完成时标志词
=It has been a long time since+一般过去时的句子
=现在完成时的句子+since+某段时间+ago
Twenty years! That’s a long time.
time时间，不可数名词 ， 次数、倍数，可数名词
Yes, I’ve been here since 1976.
since+时间点，现在完成时标志词。
Then why do you want to sell it Because I’ve just retired.
I want to buy a small house in the country.
why------because
want to do sth.=would like to do sth
in the country在乡下
How much does this house cost 68,500. That’s a lot of money!
How much提问多少钱
cost用法
a lot of+不可数名词/可数名词复数
It’s worth every penny of it.
sth. be worth some money某物值......钱
sth. be worth doing 某事值得做
Well, I like the house, but I can’t decide yet.
decide v.决定 decide to do sth.决定做某事
n. decision决定 make a decision做决定
10. Women always have the last word.
have the last word最后说了算
四.不规则动词的过去式和过去分词

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