九年级英语上册第四单元重点知识语法总结

1、戴氏教育 精品堂金堂校区 英语 hardly eve戴氏教育精品堂培训学校金堂校区 九年级英语上册第四单元重点复习重点难点：第四单元语法虚拟语气，重点字词，短语，句型易错易混点： if引导虚拟语气的三种情况：（1）与事实相反：从句谓语动词用did或者were；（2）与过去事实相反：从句谓语动词用had done；（3）与将来事实相反：从句谓语动词用考点： 虚拟语气以及第四单元重要的短语，词汇，句型。一、 重点字词以及交际用语字词 section amollion researchtie worrymedical onemedical reaearchwhat ifget nervoussect

2、ion bconfident permissionbother fairlyenergticget along withplenty of in publicself checkknowledgeable solution represent rest advicelet somebody downcome up withreading offer refuse helpfulcover hurt correct burncome outby accidenthide from交际用语what would you do if have a million dollars?id give it

3、to charity.if i were you,id were a shirt and tie.if i were you,id take a small present.1、confident people are not afraid to speak (在公共场合)。confident:be confident of sth./doing sth/thathe is confident of success.i feel confident that they will win.he is confident of winning the prise.拓展confidence，名词，表

4、示“信心，自信”have confidence in sb./sthi have confidence in myself.2、energtic people are tired.(几乎从不)hardly ever 表示“几乎从不”i am hardly ever late.my grandmother hardly ever eats meat.3、what would you do if your brother borrow your things without .(允许)did he you give the permission to take that？归纳permission

5、的常用词组：（1） with (ones) permission with your perssion i will leave now.（2） give sb. permission to do my mother gives me permission to go shopping. (3) have ones permission to do you have my permission to leave. 4、id wait for him to (自我介绍). introduce oneself to i want to introduce myself to you. 5、soci

6、al situation dont bother you in the slightest. (1)bother 使烦恼；打扰 bother sb. to dosth./bother about doing sth. can i bother you to call a taxi for me? (2)notin the slightest 相当于not at all此处slightest是形同词slight“微不足道”的最高级形式 i dont mind in the slightest.(=i dont mind at all.) 6、you have (大量的)friends,and y

7、ou enjoy the company of other people. 7、your friends would probably say that you are easy to (相处) 8、you like talking to one or two people rather than to a group. rather than 宁可.也不愿 she enjoys singing rather than dacing. 9、you would also rather stay at home and read a book than go to a party. would r

8、ather.than.“宁愿.不如” they would rather go fishing than stay at home. 20、i dont have a present.what if everyone else brings a present. what if意为：“如果.将会怎么样”后面接陈述句。 what if it rains?10、i really want a dog,but my parents wont let me have one.one 一只狗的泛指the big ship is saffer than the small one.11、i dont li

9、ke making speches.make speeches/make a speech12、our classmates want her to represent the class in the school contest.they represent all studengts.13、she doesnt want to let her friends down.14、i cant think of any good advice to give her ,but you always come up with good solutions to peoples problems.

10、think of 提出，有.的想法。i cant think of his name at the moment.think of考虑关心，think about思考考虑，think over仔细考虑we are thinking of going to kunming for our holiday this year.what do you think of the movie?never thinking about giving up.please think over what i said.advice take ones advice15、what would you do if

11、 you burned yourself by accident?the little girl knocked the glasses off by accident.16、you must always hide the medicine from children,and you should tell children to ask their parents before they eat “candy” they find.17、why is cold running water helpful to treat a small burn?二、 语法知识（1）课文原句：if i w

12、ere you,id wear a shirt and tie.if i were you,id take a small present.if i were you,id talk to someone who looks friendly.分析：以上三句都是由if引导的虚拟语气的条件状语从句。（2）虚拟语气是一种特殊的动词形式，用来表示说话人说的话并不是事实，而是一种假设、愿望、怀疑或者推测。虚拟语气又称作非真实条件语句。 构成：if+主语+动词过去式，主语+would/should/could/might+动词原形。（条件从句，主句） （3）用法：1、虚拟语气表示于现在事实相反地假设，其

13、if从句的谓语用过去式，主句用would/should/could/might+动词原形。if she were older,she might understand.2、虚拟过去时是表示与过去事实相反地假设，if从句的谓语形式用过去完成时即had+过去分词，主句用would/should/could/might+have+过去分词。if i had met kathy,i could have told her.3、虚拟将来时表示对将来实现的可能性很小的或者不确定的假设，if从句的谓语形式用一般过去式或者用were to /should +动词原形，主句用would/should/could/might+动词原形。if he were leave today,he would get there by friday.4、有时可以把含有助动词、情态动词、be或者have的虚拟条件句中的连词if省略，而将had，should，were等词语提到主语之前，即用倒桩结构。had he worked harder,he would have got through the exams.had he know her address,he would have gone to visit her.5、有时虚拟条件句并没有用if表示出来，而是用介词短语（otherwise,or,