八年级上复习资料.doc

考点1.too…to…的同义句：
too…to…= not…enough to … = so…that…
He is so young that he can’t go to school .=
He isn’t ___old__ _enough___ to go school .=
He is __too___ young ___to__ go to school .
The box is too heavy for us to carry .
The box isn’t _____ ___enough__ to carry =
The box is __so__ heavy __that__ we _can’t___ carry it .
考点2.see sb do sth 、see sb doing sth的区别
1.see sb do sth :看见某人做了某事
2.see sb doing sth .看见某人正在做某事
The teacher saw the students __read_____(read) English when he came in .
Look！Can you see the girl _dancing____(dance) under the tree ?
注：类似的动词有：hear ,watch ,notice 等。省to的不定式变被动语态时，需带上to
I often notice him go home alone .------
He is noticed ___to__ _go____ home alone.
考点3.take part in / join 的区别：
1.take part in 表示参加某项活动，运动，事件等。着重强调以主人公的姿态或在活动中负有责任而参加。
2.join表示加入组织，团体，党派而成为其中一员。
注：join sb in …. 表示“参与某人的活动之中”
He ______ the Party in 1987.
Can you come and _join____us in the game ?
Twenty students from our class _____took part in____
the sports meeting last week.
考点4.because / because of 的区别：
1.because 后面接从句（除what 从句之外）。
2.because of 后面接名词、代词、名词性短语、what从句。
He didn’t go to the party because he was ill.
He didn’t go to the party _bacause of___ _____ his _illness___.
She was very angry ___B___what you said .
A. because B. because of C./ D. with
考点5.keep的用法：
1.keep +adj 表示保持某种状态
Keep ___quiet___ , The baby is sleeping .
2.keep +sb/sth +adj 表示使某人保持某种状态
We must keep our classroom ____clean__ .
3.keep doing sth . 表示不间断地持续做某事或一直做某事。
It kept __rainning_____(rain) all night .
4.keep on doing sth 表示反复做某事。
He kept on __making_____(make)the same mistakes.
5.keep +sb +doing sth 表示让某人一直做某事。
He kept us __waiting_____ (wait )for an hour .
6.keep +sb from +doing sth 表示阻止某人干某事。= stop sb (from )doing sth = prevent sb (from )doing sth .
Because of the heavy rain , we couldn’t go to school.= The heavy rain ____keep__ us from _going___to school.
考点6.invite的用法：
1.词性转换：invite----- 名词invitation
Thanks for your __invitation_____(invite )
2.invite sb to…. 邀请某人参加…..
3.invite sb to do sth 邀请某人干某事
Can I invite you _to play_____(play )basketball with me?
考点7.enough的用法：
enough修饰名词时,可置于名词前面或后面。修饰形容词或副词时，只可放在形容词或副词的后面。
I have enough money /money enough to buy the book.= I _rich____ _enough___ to buy the book.
He is so tall that he can reach the apple .
He is _tall____ ___enough__ to reach the apple .