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1、八年级下英语基本句型及语法1. Kids will study at home on computers.表通过电脑、电视及广播等用介词on2. In ten years, I think I will be a reporter.In , after和later的区别in +时间段：与将来时连用He will be back in two hours.after +时间段：与过去时连用He came back after two hours. after +时间点：可与将来时连用He will be back after two oclock. later只能接在时间段之后，即可用于过去时也
2、可用于将来时。Some days later, he become well again.I will go back two days later.3. On the weekend, I will be able to dress more cusually.can , be able to.1)can表示“能力”时，和be able to相当，许多场合都可以互相替换。但当叙述过去经过一番努力才能完成的事情或前面有特殊说明，表示你有能力时，只能用be able to。Can you speak any foreign languages?=Are you able to speak any
3、 foreign languages?2).can 只能用于一般现在时和一般过去时， 而be able to可用于各种时态。No one could / was able to answer this question.When he grows up, he will be able to support his family.他长大后就能养家了。Frank is ill. He hasnt been able to go to school for one week. 弗兰克病了，已经一周没去上学了。Im sorry for not being able to help you in ti
4、me.对不起，不能及时帮你的忙。 3).could经常和动词see, hear, smell, taste, feel, remember, understand等连用。When we went into the house, we could smell something burning.当我们走进屋子时，我们闻到什么东西烧焦了。（不用was able to）She spoke in a very low voice, but I could understand what she said.虽然她讲话的声音很低，但我还是明白了她说的话。4).在谈论说话时发生的动作，用can，不用be a
5、ble to。【误】Look! Im able to swim.【正】Look! I can swim.看，我会游泳了！5).在用used to谈论过去用能力做某事，但现在失去了这个能力时，我们用be able to。如：I used to be able to play the violin.6).在谈论将来有能力做某事。我们用will be able toI will be able to speak English well in five years.语法： 一般将来时一般将来时表示将来某个时间要发生的动作或存在的状态，也表示将来经常或反复发生的动作。常常与表示将来的时间状语连用：to
6、morrow, next week/ month/year, the day after tomorrow, in the future, this Sunday, in five days： 一、用will或shall表示。“助动词will或shall动词原形”这一形式，表示将来发生的事情，用于征求对方的意见或表示客气的邀请。在口语中will用于所有人称，书面语中第一人称常用shall。如： 1. Tomorrow will be Sunday. 明天就是星期天。 2. The rain will stop soon. 雨很快就要停了。 3. Shall we go there at fiv
7、e? 我们五点钟去那儿，好吗？ 4. Will you please open the door? 请你把门打开，好吗？ 二、用be going to结构表示。“be going to动词原形”用来表示近期或事先考虑过的将要发生的动作以及已有迹象表明必将发生某事，意为“打算；就要”。如： 1. Were going to meet outside the school gate. 我们打算在校门口见面。 2. Look! Its going to rain. 瞧！快下雨了。 三、用现在进行时表示。表示位置转移的动词（如：go, come, leave, start, arrive等），可用现在
8、进行时表示将来时。如： 1. Uncle Wang is coming. 王叔叔就要来了。 2. Theyre leaving for Beijing. 他们即将前往北京。 四、用一般现在时表示。根据规定或时间表预计要发生的动作，在时间和条件状语从句中，都可用一般现在时表示将来时。如： 1. The new term starts (begins) on August 29th. 新学期八月二十九日开学。 2. If it doesnt rain tomorrow, we will go out for a picnic. 如果明天不下雨，我们将出去野餐。4. They agree it ma
9、y take hundreds of years .hundreds of 的意思是“数以百计的，好几百的”，不能和具体的数词，如two, four等等连用，类似的还有：thousands of数以千记的, millions of 数以百万记的。They have planted hundreds of trees. 他们种了数百棵树。There are millions of books in the library. 图书馆里有数百万的书。当要描述具体的有几百时可以用“数词+hundred”来表示。例： There are five hundred students in our scho
10、ol.5. My parents want me to stay at home every night.want sb to do sth. 想要某人做某事。6. I dont have enough money.enough的用法小结：1） 用作代词：作主语或宾语。如：Enough has been said on this subject. 关于这个问题我说得够多的了。You have done more than enough. 你已做得够多了。 I have had enough. Thank you. 我吃的已经够多的了，谢谢。2）形容词作定语：enough用在名词前、后都可以。又
11、如：I have enough time to do the work. / I have time enough to do the work. 我有足够的时间做此项工作。3）用作副词修饰形容词或副词表示程度：enough一般放在形容词或副词的后边。如：long enough, easy enough, fast enough, quickly enough等。The boy is old enough to go to school. 这孩子到上学的年龄了。He couldnt run quickly enough to catch up with the cat. 他跑的速度太慢，追不上
12、猫。4）用作副词修饰动词时也需放在动词之后。如： The meat is not cooked enough. 肉炖得不够熟。7. You should give him a ticket to a ball game.名词所有格一般在词尾加s或用Of来表示， 但是有少数几个是要用to来表示所有格的。A ticket to a ball gameThe answer to the question.8. You can borrow some money from your brother.borrow 和lendborrowfrom从某人处借进某物。lend to把某物借给某人。He bor
13、rowed a book from me yesterday.= I lent a book to him yesterday.9.Everyone else in my class was invited except me.except 指在整体中除去一部分 We all succeeded except Tom.除了汤姆，我们都成功了。（成功的人中没有汤姆） besides 除.之外（还有.或外加.） We all succeeded besides Tom.除了汤姆成功外，我们也都成功了。（成功的人中包括汤姆）但是当besides用在否定句中时，意思等同于except。 I dont
14、care for anything besides this.除了这个外，我不要别的了。10. I dont know what to do.疑问词+不定式疑问词后面可接带 to 的动词不定式构成特殊的不定式短语，这一结构在句中可作主语、表语、动词宾语、双重宾语、介词宾语等成分。能够接不定式的疑问词常用的有who, which, what, when, where, how等，此外，whether 后面也可接带 to 的动词不定式。一、疑问词不定式的用法1. 作主语，作主语时，谓语动词常用单数形式。例如：Where to go tomorrow has not been decided. 明天
15、到什么地方去尚未决定How to divide labor among the workers is still a question. 这些工人之间如何分工仍是个问题。2 作宾语能够接疑问词不定式作宾语的动词常用的有advise, ask, consider, decide, discuss, explain, forget, know, learn, remember, show, teach, tell, wonder等。例如：He has to learn how to collect water, hunt for food, and make fire. 他得学会收集淡水、寻找食物，生火什么的。3. 作双宾语某些动词后面可接sb.疑问词不定式构成的双重宾语，这类动词常用的有advise, ask, show, teach, tell等。例如：He will advise you what to do. 他会建议你们做4作表语Perhaps the most difficult challenge is how to survive without friends. 也许最难熬的挑战，就是生活中孤独无友。
