八年级上复习资料

考点1.tooto的同义句：tooto= notenough to = sothatHe is so young that he cant go to school .=He isnt _old_ _enough_ to go school .=He is _too_ young _to_ go to school .The box is too heavy for us to carry .The box isnt _ _enough_ to carry =The box is _so_ heavy _that_ we _cant_ 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toI 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 didnt go to the party because he was ill.He didnt 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 couldnt 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invitationThanks 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_ _eno