1、八年级英语上册语法知识Unit 5 What a Delicious Meal!一、感叹句1.表达喜怒哀惧等强烈感情的句子2.句末有感叹号！二、what 引导的感叹句结构1.What+ a / an 形容词单数可数名词（主谓）!What a pretty hat（ it is ）!What an amazing day （it is）!2.What形容词不可数名词复数可数名词（主谓）!What delicious food （it is） !What beautiful flowers（ they are） !3.少数口语交际场合，可省略形容词What a mess it is !What l
2、uck we have !三、how 引导的感叹句结构1.How形副(主谓）!How delicious （the dish looks） ！How fluently （she speaks English） ！2.How形 a / an 单数可数名词（主谓）!How beautiful a park （it is）！How strong an elephant （that is） !3.How主谓！How I want to be a teacher!How they ran fast !四、其它特别形式感叹句1陈述句!She is so beautiful ！2疑问句!Isnt he ri
3、ght !3祈使句!Be quiet!4句首感叹词句子!Ah , that is what I want !5感叹词!Hi !Hooray ！6短语!Good idea !Delicious food!Unit 6 Plan for Yourself一、一般将来时含义：表示将要发生的事，常和表将来时间状语连用二、be going to 动词原形含义：表主观打算做某事三、理解：be 包含 am , is , are ，随主语人称变化而选用1.I am2.he is / she is / it is/Emma is 3.they are /we are/you are/my parents are
4、四、be going to 各种句型1肯定句主 be going to 动原（其它）She is going to take acting classes .We are going to take a hobby next term.2.否定句主 be + not going to 动原（其它）I m not going to take a hot bath .They re not going to live in Beijing.3.一般疑问句Be 主 going to 动原（其它）？Is he going to take a taxi ?Are you going to see the
5、m next month?4.特殊疑问句疑问词 be 主 going to 动原?How are you going to do that?What else are you going to do?五、某些短暂性动词（go come leave arrive meet)用现在进行时表将要做某事1.She is leaving early tomorrow .2.They are coming here!3. Tom is meeting his parents at the airport next weekend.Unit 7 When Tomorrow Comes一、情态动词shall
6、will1.表示说话人的语气和态度2.不能独立作谓语，后须接动词原形一起作谓语3. 否定形式分别是shan t ， won t4.没有人称和数的变化，主语适合于各种人称二、shall 的用法1.一般用于第一、第三人称作主语的疑问句，表征求意见可以，好吗？Shall I close the door ?我可以关门吗？Shall he go to the party?他可以去参加聚会吗？Shall we have a class meeting tomorrow ?明天我们开个班会，好吗？2用于肯定句第一人称，表“将会”，正式书面语中We shall have a lot of work to d
7、o.I shall be there at 7 o clock .第二、三人称，表允许，命令，警告语气等You shall do as he says .你必须按他说的做。She shall be punished if she is late for meeting.如果会议迟到她将会受到惩罚。三、will 表示将来时态作情态动词用，主语适用于各种人称用法1.表“请求，建议，邀请 ”语气Will you please help me with this task ?Will you help me with my homework ?Will you go with us ?2.表“将会，愿
8、意，想要，决心要”等语气、态度I will go to the supermarket tomorrow .They will climb mountains next weekend .She will visit her grandparents next Tuesday.表习惯或特性，总是Tom will eat an apple after dinner.Jane will keep asking silly questions .四、句型结构肯定句：主 will / shall 动词原形（其它）否定句：主 won t / shan t 动词原形+（其它）一般疑问问句： Will /
9、Shall 主动词原形（其它）？特殊疑问句： 疑问词 will / shall 主动词原形（其它）？五、shall引导的一般疑问句Shall I / we 的回答1肯定回答Yes , please .Yes ,you should.Sure,that sounds good.OK,go ahead .2否定回答No , thanks .Sorry.No , I dont think so .I m afraid not .Better not , thanks .That depends .六、Will引导的一般疑问句的Will you / he / she 的回答1.肯定回答Yes ，主语
10、will .Sure .All right .Yes ,please .OK!2.否定回答No,主语+wont.No,thank you!Sorry ,I cant.Im very sorry.Unit 8 Lets Communicate!一、条件状语从句在主从复合句中作条件状语的从句。引导词有if(如果），as long as（只要），unless（除非）等。二、本单元主要学习if引导的真实条件状语从句。三、结构1.主句 if 从句. 2.If+从句，主句.四、在if 引导的真实条件状语从句中，主句一般有下面3种情况：1主将从现（主句一般将来时，从句一般现在时）We will make s
11、nowmen if it snows tomorrow.I will go hiking if it doesnt rain.I will be happy if everyone pays attention to me .2.主情从现（主句含情态动词 can may must 等，从句用一般现在时）You can t go if you don t finish your homework .May I take photos here if I give you money?You cant talk if the teacher is in class.3.主祈从现（主句是祈使句，从句
12、用一般现在时）Call me if you need help .Dont argue with them if you dont agree with others.Please let us know if you have any special needs.五、条件从语从句如果放在句首，一般用逗号隔开You will make progress if you study hard.If you study hard, you will make progress.I will be happy if everyone pays attention to me . If everyone pays attention to me ,I will be happy.4
