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so
such+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yet
already“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under
on“在...上面(贴着物表)”,反义beneath,
above“在..上方（高出）”,反义below
12.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
