新版新目标英语八年级上册unit10知识点总结(3页).doc

-新版新目标英语八年级上册unit10知识点总结-第 3 页Unit 10 If you go to the party, youll have a great time!1 if 引导的条件状语从句 if连词 表示假设或条件，如果的话 (1)句子时态：主句一般将来时、含情态动词或祈使句，从句一般现在时。（主将从现、主祈从现） If +句子（一般现在时），+主句（主语will/may/can +动词） If I have enough money next year, I will go to travel. 1f it doesnt rain tomorrow, Ill go biking riding with you. If you finish your home, you can watch TV. Please let me know if he comes to this city.(2)主句部分只能使用will的一般将来时，不能使用be going to的结构.(3) if引导条件状语从句和宾语从句的区别 if引导条件状语从句，如果，主句要用一般将来时； if引导宾语从句， 是否=whether, 主句时态要根据语境确定 I dont know if he will come here tomorrow.(是否) If he comes, Ill call you.（如果） I don't know if it will rain tomorrow. 我不知道明天是否会下雨。(4)与其他句式之间的句型转换：A. 祈使句+and/or+一般将来时的句子 If you dont work hard, youll fail the exam.=Work hard, and youll pass the exam. =Work hard, or youll fail the exam.B.借助介词with或without来转换条件状语从句： People cant live without air or water.=If there is no air or water, people cant live (People will die). If you help me, Ill finish the work on time.With your help, Ill finish the work on time. If you dont help me, I wont finish the work on time.=Without your help, I wont finish the work on time.2. I think句型,是一个含有宾语从句的主从复合句，我认为，我想 从句用陈述语序。 宾语从句里如果有否定含义，往往把否定词由从句移到主句，这叫否定前移。 I dont think Im going to stay at home .我想我明天不会呆在家里。3. (1)half adj. 一半的，半个的。 (2)一半的 half + n. 或Half of n.其谓语动词取决于后面的名词或代词的形式。 Half (of ) the class wont come.有一半的学生一会来。4.unless 除非，如果不 用于引导条件状语从句。Unless you study hard, you wont go to college 除非你努力学习,否则你考不上大学。5. (1)be afraid to do sth 害怕做某事 I am afraid _(speak ) in English. (2)be afraid of sth/sb 害怕某人或物My sister is afraid of dogs. (3)Im afraid +从句 我恐怕 Im afraid I cant go with you. 6. “特殊疑问词+动词不定式” I dont know what to do. 做什么 I dont know how to learn math. 怎么学数学 I dont know when to go to school. 什么时间去上学 I dont know where to go shopping.去哪里购物 7. tooto太而不能 too +adj+to +do 可与notenough to do sth 和sothat互换 He is too young to go to school. = He is not old enough to go to school. = He is so young that he cant go to school. 8. advice不可数n. 建议劝告。表示数量要用piece等词来修饰。 a piece of / some / much advice. 9. 情态动词should 用法：should用来提出建议和忠告， (1)should+动词原形 (2)否定句：should not+动词原形 (3)疑问句：should+主语+动词原形+其他 Should I help him？10. 反身代词oneselfmyself/yourself/himself/herself / ourselves/themselves keepto oneself 保守秘密 help oneself to . 随便吃，不客气 enjoy oneself 玩的开心 teach oneself=learn.by oneself 自学 11. angry 生气的 be angry at/about sth 因某事而生气 be angry with sb.对某人生气