1、七年级英语上册语法知识Unit 3 My School一、there be 句型含义：1.表“某地有某人某物2.there 是引导词，无义3.某人某物是主语， be 的各种形式是谓语4. 属于倒装句结构二、be 的各种形式在不同时态中，there be 句型有不同形式。1.一般现在时， there is / there are .2.一般过去时， there was / there were 3 一般将来时，there will be / there is going to be /there are goingto be 现在完成时， there has been / there have
2、been 三、本单元学习 there be 的一般现在时， there is / there are四、 there be 句型须主谓一致如果 be+主 and 主be 动词应该遵循就近一致原则，即与相邻的主语保持单复数一致There is a book and two rulers on the desk. There are two rulers and a book on the desk .There are two boys and a girl in the room.There is a girl and three boys in the room .五、There be 句型
3、除be外，还可以用其它表示存在意义的词There stood There used to be There lived 六、There be 句型句子结构肯定句1.There is +a/an+单数可数名词+某地+某时2.There is +不可数名词+某地+某时3.There are + 可数名词复数+某地+某时否定句1.There isnt +a/an+单数可数名词+某地+某时2.There isnt +不可数名词+某地+某时3.There arent + 可数名词复数+某地+某时一般疑问句1.Is there +a/an+单数可数名词+某地+某时?2.Is there +不可数名词+某地
4、+某时?3.Are there + 可数名词复数+某地+某时?肯定回答：Yes,there is/are.否定回答：No,there isnt/arent.特殊疑问句特殊疑问词+某人/某物+is/are there +其它How many people are there in the park?How much milk is there in the bottle?Unit 4 My Favourite Subject一、连词含义：连接单词、短语或句子的一种虚词。二本单元学习连词 and but because并列连词 and but1.and 用于肯定句，表并列，对称或顺承关系。可译成“
5、和、于是，同”l like summer and winter.Tom is in Class 2 and Lucy is in Class 1.Run fast and you will get to the school on time.2.but表转折关系，可译成“但是，然而”He is poor but he is happy .Tony is short but strong.从属连词because1.because后接句子,引导原因状语从句，“因为”Because he is ill , he doesnt go to school.He is late for school be
6、cause he gets up too late.2.because 与so 不能同时出现在同一个句中用了because,后面就不用so，用了so, 前面就不能用because。3.because of “由于“，后面加单词或短语，不能接句子。Because of the rain,he had to stay at home.Unit 5 Fun Clubs一、情态动词 can ,不能独立作谓语1.含义：“能，会”，表示能力2.否定式 can t = can not 不能，不会3.can后须加动词原形一起作谓语， can / can t 动原4适合于任何人称，没有人称和数的变化。主语（I/
7、we/they/he/she/it/Tom/my parents）+can/cant+动词原形+二、句子结构肯定句：主 can +动原I can swim.He can dance.否定句：主 can t 动原I cant sing.Lucy cant play basketball.一般疑问句： Can 主动原+？Can you play chess?Can she paint well?回答： Yes ，主 can .No ，主 can t .特殊疑问句：疑问词 can 主?What can you do?Where can they have a birthday party?Unit
8、6 A Day in the Life一、when 用法1疑问词什么时候何时，对大范围时间（年/月/日/季节/上午/下午/晚上等）提问When is your birthdly ?When is Teachers Day ?When will you go to Bejing ?2从属连词当时，引导时间状语从句When I was six years old , I could swim.3关系副词，修饰先行词 “day /time /season /year/month 等，可不译I remember the season when he came to my home .It was th
9、e best year when we got together .连接副词，什么时候，引导主语从句、宾语从句等。I want to know when Tom wil go to Wuhan.When she will come is unknown .Please tell me when to start .5.对具体时间提问，“几点？几点几分？”可与 what time 互换When / What time do you go to school every day?（你每天几点上学？)二、what time 用法“几点？几点几分？对具体钟表时间提问What time did Tom
10、go to bed last night ?It was 9:30 p . m .三、what 用法1.疑问词 什么？一般询问事物/职业/种类等What s this ?Whats your name ?What is he doing ?What are they going to do ?What are you ?2.感叹词,怎么,多么,表惊讶、喜欢、讨厌等情绪What ?What an interesting film !What a funny monkey !3 .形容词,什么样的What kind of animals is that ?4.其他表达what if 如果会怎样wh
11、at about 怎么样what for 因为what with为了什么Unit 7 Happy Birthdays一、特殊疑问句：以特殊疑问词开始的以寻求信息为目的的疑问句。一般不用 Yes 或 No 回答。问什么，答什么。句型结构：1.疑问词（组）一般疑问句What time do you have lunch？2.疑问词（组）谓语其他？Who washed my clothes this morning?二、特殊疑问词分类1.疑问代词what 什么 （问事物）who 谁（问人）which 哪个/哪些 （问人物）whose 谁的(问人物所属）whom （宾格）谁（问人）2.疑问副词wher
12、e 在哪里(问地点）why 为什么（问原因）when 什么时候(问时间)how 怎么样(问方式,程度,状态)3.疑问词组how many 多少（问可数名词数量）how much 多少（问不可数名词量）/多少钱（问钱数，价格）how often 多久一次（问频率）how long 多长（问长度）/多久（问时间）how far 多远(问距离）how old 多大（问年龄）what time 几点（问具体时间）三、序数词表人或事物先后顺序的数词,“第几”基数词变序数词 ,有规则变化，也有不规则变化基数词 序数词13不规则变化1 one first 第一2 two second 第二3 three t
13、hird 第三规则变化419：在对应基数词尾th4 four fourth 第四11 eleven eleventh第十一其中不规则变化5 five fifth 第五8 eight eighth 第八9 nine ninth 第九12 twelve twelfth 第十二2090：规则变化整10基数词，将对应基数词词尾 y 变 ie ，再加 th20 twenty twentieth第二十30thirty thirtieth第三十几十几：把个位数的基数词改为序数词，十位数依然用基数词。23 twenty-three twenty -third31 thirty-one thirty -firs
14、t56 fifty-six fifty-sixth四、序数词缩写：阿拉伯数字加序数词的最后两个字母first 1st second 2nd twenty-eighth28ththird 3rd fourth 4th五、序数词用法：1 表日期:（英式）日、月，年 10( th ) June ,2026（美式）月、日，年 June 10（th),20262.表顺序： the first cat , the second cat3.表编号： the 序数词名词the fifth floor4.序数词前有限定词，不用加theIt s my second time to visit Beijing.5.序数词前加 a / an, 表“又一，再一”I want a second chance .He decided to try an eighth time .5
