unit11.Peter, could you please take out the rubbish?could you please do…2.finish +doing+n3.And she won’t be happy if she sees this mess.主将从现，if引导的条件状语从句，主句为一般将来时，从句用一般现在时表将来。
4.I’m just as tired as you are!as。
as 像。
用于形容词/副词原级比较，“。
as + adj/adv +as。
”“。
not as/so +adj/adv+ as。
““。
as +adj+a(n)+名词+as。
““。
倍数+as+原级形容词/副词+as。
“选D选B5.I’ll finish my homework while you help me with the dishes.你帮我洗盘子的时候，我将会完成我的作业。
while作连词时，有以下几种含义：1）意为“当……时候，和……同时”，引导时间状语从句。
while引导时间状语从句，意为“当。
的时候”，谓语动词是延续性的。
例如：While I was watching TV，the bell rang.(我看电视时，铃响了。
) Meimei watched TV while she ate her supper.(梅梅边吃晚饭边看电视。
) 2）意为“虽然，尽管”，引导让步状语从句。
While it was late，he went on working.(虽然很晚了，但他还在继续工作。
) 3）连接两个并列句子，表示“对比”关系。
He went out for a walk，while I stayed at home.(他出去散步了，而我却呆在家里。
)I like singing while she likes dancing.(我喜欢唱歌，而她喜欢跳舞。
)You like sports，while I prefer music.(你喜欢体育，而我更喜欢音乐。
)**while引导状语从句时，应注意以下几点：while引导的时间状语从句既可放在句首，也可放在句末；而while引导的让步状语从句一般放在句首，不放在句末。
另外，也可以从意义上加以区分。
例如：While he was tired，he went on working.(虽然他累了，但他还是继续工作。
)6.invite sb to do sth7.adj/adv + enoughenough + n8.They should spend their time on homework.I always spend half an hour walking after dinner.spend time/money (in) doing sthspend time/money on sthIt takes （took）+时间/金钱+to do sth（表示“做某事花费了多少时间/金钱”）It’ll take only ten minutes to walk to the supermarket.只要十分钟，就可以走到那家超市。
人+ pay for sthpay的基本意思是“支付”，主语是表示人的名词或代词，常与for连用。
How much did you pay for all these books? 这些书你是花多少钱买的？sth costs (sb) some moneycost也可作“花费”解，其主语是“物”或“事”The dictionary cost me 40 yuan. 这本字典花了我40元钱。
9.provide sb with sthprovide sth for sboffer sb sth10.mind doing sth 介意做某事11.It is +adj + for sb to do sthit为形式主语，to 不定式是真正的主语12.depend on 依靠依赖13.take care of 照看，照料14.the +比较级，the+比较级，“越。
，越。
”The more careful we are, the fewer mistakes we will make.我们越仔细，犯的错误就会越少。
unit21.allow sb to do sth 允许某人做某事2.Why don’t you go to sleep earlier this evening?w hy don’t you （we/they）+ do 为什么不=why notwhy not go to sleep earlier this evening?3.look through 浏览look into 调查look up 向上看look after 照顾take care of 照顾take care 小心4.refuse sb/sth 拒绝某人/某事She refused his invitation to the tea party.refuse to do sth 拒绝做某事They refused to pay their taxes.5.get on with 相处get on well with 相处融洽I can get on well with my family.（family指家庭的时候，用单数，指家人的时候，用复数）get off 下来get over 原谅，康复get away 离开，出发6.offer sb sth=offer sth to sb 提供给某人某物7.although引导的从句不能与but，however连用，但可与yet，still连用。
although和though都表示“虽然”，although更正式though可以用作副词，表示“可是，不过“,放在句末。
It is hard work. I enjoy it though8.until 直到。
9.形容词+不定代词如，something special不定代词作主语时，谓语动词用第三人称单数。
unit 31.heavily 沉重地，猛烈地rain heavily 下大雨2.pick up 捡起，接送I called at seven and you didn’t pick up.我七点钟给你打电话，你没有接。
Do you pick up your son after school?3.beat 击败+比赛或者竞争对手Rain began to beat heavily against the windows. 击打4.join意为“参加，加入”，主要指参加、加入某党派、团体，成为一员，后面也可跟us, them, the young people等表示一群人的词或词组；而take part in 也意为“参加，加入”，指参加群众性的活动、会议、考试、竞赛等。
join an English club5.无论主句是陈述句还是疑问句，宾语从句都必须使用陈述语序，主句+连词+宾语从句（主语+谓语+。
）Can you tell me how I can get to zoo?unit 41.as soon as 一。
就，用来引导条件状语从句，当主句是一般将来时，从句用一般现在时表将来。
2.take away 拿走3.remind sb of。
使某人想起。
The song reminds us of the old days.这首歌让我们想起过去的时光。
4.be/get interested in。
对。
感兴趣5.hear sb doing sth 听到某人正在做某事I hear someone singing in the classroom.6.感叹句How + adj/adv + 主+ 谓！What (＋a/an)＋adj＋n (＋主语＋谓语) !what a heavy rain it is！How well you look!unit 51.比较级1）规则变化●单音节和部分双音节的形容词一般在词尾加ertall-taller，smart-smarter●以字母e结尾的直接在词尾加rnice-nicer，large-larger●以y结尾的词，变y为i，再加erearly-earlier，happy-happier●以重读闭音节的单个辅音字母结尾的词，双写辅音字母，再加erbig-bigger，hot-hotter●多音节或部分双音节的形容词在原级前面加morepopular-more popular，important-more important 2）不规则变化3）用法●A和B一样A+be动词+as+形容词原级+as。
+BA+实义动词+as+副词原级+as。
+BI am as tall as you.He runs as fast as I.●A不如B，not so/as。
asI am not as tall as you. 我没有你高。
●形容词比较级前可用even，much，a little，still修饰，原级前可用very，quite，too修饰。
●比较级前面可以加上表示具体数量差别的结构，表示具体大多少、小多少、长多少等。
I am two years older than he.This building is 20 meters higher than that one.●比较级+and+比较级越来越。
It is getting warmer and warmer.He is running faster and faster.Our country is becoming more and more beautiful.●the+比较级。
，the+比较级。
越。
，就越。
The more careful you are, the fewer mistakes you will make.注意：than后面的人称代词应当用主格。
He is more careful than I.2.as far as I know 据我所知3.prepare sth for sb 为某人准备某物He is preparing the milk for the baby.unit 61.finish doing sth2.arrive at+小地点arrive in+大地点3.have been to 去过某地，已经回来了have gone to 去了某地，没有回来4.hundred，thousand，million（百万），billion（十亿）前面有具体数词修饰时，用单数形式用复数形式时，后面需要接介词of5.make sb do sth 使某人做某事unit 71.反意疑问句1）前肯后否，前否后肯2）如果陈述句有一个助动词或情态动词，则反意疑问句中用同一助动词或情态动词。