外研版英语八年级上册重要知识点1. 英语中的“花费”spend : sb. spend some time on sth.某人花费时间做某事sb. spend some time (in) doing sth. 某人花费时间做某事sb. spend some money on sth. 某人花费钱买某物sb. spend some money (in) buying sth.某人花费钱买某物cost: sth . cost sb. some money 某物花去某人钱pay: sb. pay some money for sth. 某人支付钱take: It takes (took) sb. some time to do sth.做某事花去某人时间2.the number of“…的数目”，后跟名词复数，动词用三单, a number of =many,“大量，许多”后跟名词复数，动词用复数形式。
（a large number of，a small number of ）3.英语中的“四说”（1）speak说语言，（2）say说内容，（3)talk与谁说，(4)tell告诉，讲述.speak to sb 和某人讲话，say hello to sb. 向某人问好，to sb.向某人说再见，英语中的“四看”(1)watch观看电视、戏剧、比赛和表演，(2)see看人、电影、医生、风景，(3）read看书，看报，(4)look看黑板、看某物。
4.It is +adj.+of sb +to do sth.写性格，品质,如：kind, good, nice , right, wrong, clever, careless, polite, foolish等。
It is+adj+for sb +to do sth. 对物的评价，如：difficult ,easy hard, dangerous, important,等5.表示“建议”的句型：(1). why don't you do sth?=why not do sth?(2). How about doing sth?=what about doing sth?(3). You should /can do sth.(4). Remember to do sth.(5)Don't forget to do sth.(6). can you do sth ?(7). Let's do sth.(8). It'sa good idea to do sth.(9).would you like to do sth.?(10).Shall we do…?(11)You’d better(not) do sth.回答：Thanks a lot.Great/ OK.That's right.All right.Good idea.Sure.6.形容词修饰不定代词somebody, some one“某人”，anybody,anyone “任何人”nobody,no one，“没人”,everyone,everybody“每个人”,something“某物”,anything“任何物”,nothing“没事”,everything “一切事物”时，要放在他们的后面（即后置）。
如：something wrong，something important .7.such 和sosuch+a /an +adj+单数名词so +adj+a/an+单数名词(名前such，形副so）。
8.乘坐交通工具的表达法:take the(a) +交通工具t o =go...by+交通工具=go...on /in+a(the)+交通工具(小汽车只能用in ，其余的可用in ,on);9.already，just和yetalready“早已”，用于完成时的肯定,；yet,用于完成时的否定和疑问；just,用于完成时10.so ...that“如此...以致于....”如果that后是否定,就可以用too...to 转换,如果是肯定就用“形容+enough(for sb )to do sth.”。
如:他太小以致于不能上学。
He is so young that he can’t go to school.He is too young to go to school.He is not old enough to go to school.11. over“在..上面(正上方)”,中间有段空间,反义为underon“在...上面(贴着物表)”,反义beneath,above“在..上方（高出）”,反义below12.none用于三个(三个以上)的全否定，反义为all；neither两个都不，反义为both.13.感官动词see ,hear ,watch,feel ,notice,smell,taste+名词或代词+动词原形(表示动作已经发生)see ,hear ,watch,feel ,notice,smell,taste+名词或代词+Ving(表示动作正在进行)14.英语中当几个单数人称同时作主语时，先后顺序是“二、三、一”英语中当几个复数人称同时作主语时，先后顺序是“一、二、三”15.四个“也”also用于肯定，置于句中，放在行为动词前，系动词be 后；too用于肯定，置于句末；as well用于肯定，置于句末;either用于否定，置于句末.16.bring,“拿来，带来”（从外往里拿），take ,“拿走，带走”（从里往外拿），carry无方向, fetch往返拿,17.die of “患..而死”,常接hunger, cold, illness,cancer内部原因,die from“由于..,而死”,常接a wound ,an accident,carelessness外部原因,18.give sb. sth.=give sth. to sb. 给某人某物19.how about doing sth.=what about doing sth.做....怎么样20.thanks a lot= thank you very much 非常谢谢21.That's all right. =You're welcome.= That'OK.= It's my pleasure.=Not at all.22.Why don't you+V原...=why not+...V原“为什么不”23.help sb. with sth. 在某方面帮助别人, help sb. (to )do sth.帮助某人做某事with one's help=with the help of sb.在某人的帮助help oneself to sth.请自用食物24.remember to do sth.“记得要做某事”(还没有做)，remember doing sth.“记得做过某事”（已经做了）25.forget to do sth. “忘记要做某事”(还没有做) forget dong sth.“忘记做过某事”（已经做了）。
26.other其他的，另外的，别的；another另一个人或事物；the other两个中的另一个；the others其余的，剩下的人或事物；others其他的，另外的，别的人或物27.look for 寻找, look after=care for=take care of照顾28.look up 向上看，查阅, look like看起来像,29. look at 看着, look on sb. as把某人看作, look forward to doing sth. 盼望，期待做某事look over检查/翻阅，look out当心/向外看, look through仔细查看,30.be ready for =get ready for=prepare for为…准备好,be ready 准备好be (get ) ready to do sth.准备做某事，乐意做某事31.take a message捎个口信，leave a message留个口信，32.be good for对…有好处，be bad for 对…有害，be good at =do well in擅长于…，在…方面做得好be poor at =be bad at =do badly in=be weak in不擅长… ，在…方面做得不好33.think of 想起，think about想出，think over仔细考虑，34.hear of听说，hear from=receive a letter from 收到某人的来信，write to…给…写信35.enjoy oneself=have a good time=have a great time=have fun,玩得愉快/开心36 .lots of =a lot of =many(可数)许多,lots of =a lot of = much(不可数) 许多,37.ask for 请求，要求, ask sb. for sth.向某人要某物ask sb. to do sth.要求某人做某事38.动词enjoy ，finish , practice , mind, miss , consider , keep,continue后跟动名词形式V-ing 。
39.find+ it+ adj+to do sth.发现做某事怎么样40.what else?=what other things? 还有什么41. in a tree=in the tree ,在树上(外来物)on a tree =on the tree,在树上,(树本身的)42.be famous for ,因..而著名(后+人或物某方面的特点,特长)be famous as ,作为...而闻名(后+身份职业)43.alone,个体单独，独自；lonely,孤独，寂寞，也表示荒凉，。