1、1六下第一单元语法:形容词比较级的变化规则1. 直接加 erStronger smaller2.后三位:辅元辅,双写,再加 erbigger fatter thinner hotter3.“辅音+y 结尾” :词尾的 y 变成 i,再加 erheavier happier funnier4. 以不发音的 e 结尾的,直接加 rnicer cuter5. 特殊 good/ well -better 句型:A is +比较级 than B.六下第二/三单元语法:一般过去时一、动词的规则变化 (不规则变化参照书 69 页)1直接加 ed:work worked looklooked2以不发音 e 结
2、尾的单词,直接加 d:live lived hopehoped useused3以辅音字母+y 结尾 i 的,变 y 为 i 加 ed:study studied cry- cried worryworried 4辅-元- 辅结尾:双写最后的辅音字母+ed:stop stopped planplanned二、句法结构1、肯定形式2主语+动词过去式+其他 She went shopping last night2、否定形式was/were+not; 在动词前加 didnt,同时动词变回原形例句: He wasnt at home. I didnt know you like coffee. 3、
3、一般疑问句Did+主语+动词原型+其他? Was/Were+主语+ 其他 ?例句:Did I do homework? Was he a student ?六下第四单元语法:前后对比1. 某地有某物的表达(现在时)There is a/an + 单数名词/ 不可数名词( water . milk . rice ) +其他There are +复数名词+其他否定结构:在 is / are 后面加 not There isnt / There arent.2. 某地有某物的表达(过去时)There was a/an .There were3. 某地 没有 某物的表达(过去时)There was n
4、o+ 单数名词There were no + 复数名词34. Before, .(过去时造句) . Now, (现在时造句)以前怎样,现在怎样时态复习一般现在时一、 一般现在时的功能1表示经常性或习惯性的动作,常与表示频度的时间状语连用。如:always, usually, often, sometimes, seldom(很少)never(决不)every day, at 8:30, on Sunday, in the morning 等。如:I always get up at 6:00 in the morning.2表示现在时刻的 状态、能力、性格、个性。如:She loves Eng
5、lish very much.My sister plays the piano very well.3表示客观的事实。如:The sun rises in the east. 太阳从东方升起。4格言或警句。如:Pride goes before a fall. 骄者必败。一般现在时的构成1. 有 be 动词:主语+be (am,is,are) +其它如: I am a boy.我是一个男孩。 2.有动词:主语+动词 (+其它)。如:We study English.我们学习英语。注意:1如果句子主语的人称是 I, we, you, they 或复数名词时,动词用动词原形。如:We often
6、 go home by bus.I amHe /She / It is happyWe / They / You are42如果句子的主语是第三人称单数,即:he, she, it 或单数名词时,动词 要用第三人称的单数 形式。如:He often goes home by bus. Mary likes Chinese.注意 : 动词的第三人称单数形式的构成规则如下:1一般情况下在动词的后面直接加“s”;如:workworks playplays rainrains seesees visitvisits 2以 o, x,s,sh, ch 结尾的动词,在后面加“es” ;如 dodoes f
7、ixfixes guessguesses washwashes teachteaches watchwatches3以辅音字母加 y 结尾 的动词,先把 “y” 改为 “i”, 再加“es”;如: flyfl ies studystudies carrycarries 4不规则变化。如: havehas 2、 一般现在时的否定句存在动词时的否定句1如果句子的主语是 I, we, you, they 或 复数名词 时,则在主语的后面加 dont。 否定句:主语 + dont + 动词原形 (+其它)如: I like bread. I dont like bread.We always go t
8、o school on foot.We dont always go to school on foot.2如果句子的主语是 he, she, it 或 单数名词时,则在主语的后面加doesnt 但是要把动词第三人称单数形式改为 动词原形 。5否定句:主语 +doesnt +动词原形 (+其它) He often goes to school by bike.He doesnt often go to school by bike.be 动词的否定句有 be 动词的,变化在 be 动词上。否定句:主语+ be (am/ is/ are) + not +其它。3、 一般现在时的疑问句(一般疑问句
9、)有 be 动词时的疑问句结构: Be +主语+其它。存在动词时的疑问句1、如果句子的主语是 I, we, you, they 或 复数名词 时,用 do 来引导,其余句子的位置不变。结构: Do + you/ they / I /we +动词原型 ? I am not ( = Im not)He /She / It is not ( = isnt ) happyWe / They / You are not (=arent )Are you happy? Yes, I am. / No, Im not. Is he/she/it happy? Yes, he/she /it is.No, h
10、e/ she/ it isnt.Are you/ they happy? Yes, we / they are.(复数形式)6肯定回答:Yes, I /we/ they do. 否定回答: No, I/ we/ they dont.如:They go to school by bus every day. Do they go to school by bus every day? Yes, they do.(肯定句) No, they dont.(否定句)2. 如果句子的主语是 he, she, it 或单数名词 时(1)用 does 放句首引导疑问句(2 其余句子的位置不变,但是把动词第三
11、人称单数形式改为动词原形。结构: Does +主语+动词原形 + 其他?如:Does he /she / it / his father watch TV on the weekend?肯定句:Yes, he /she / it does. 否定句: No, he /she / it doesnt.特殊疑问句:疑问词 +一般疑问句(对划线部分提问常用)1. 有 be 动词的:疑问词 +什么 What do you often do on the weekend?- I often do homework on the weekend.哪个 Which season do you like be
12、st?- - I like winter best.为什么? Why do you like winter best? is + he / she /it / his father /名词单数 + . ?are + you / they / their parents /名词复数 . ?are you / they 7- Because I can make a snowman.哪里 Where is your book ? - Its on the desk何时 When is your birthday? Its on Dec. 25th.When do you go to school?
13、 - I go to school at 7 oclock= 7:00.2.没有 be 动词的:用 do,第三人称单数时,用 does, 过去式 did疑问词 +现在进行时1现在进行时表示现在正在进行或发生的动作,也可表示当前一段时间内的活动或现阶段正在进行的动作。2现在进行时的基本结构为 主语+be(am /is /are)+动词 ing。be 动词 随着主语选择使用 is,am 或者 are。如:I am reading a book.He is taking a picture.They are cleaning the room.3现在进行时的否定句在 be 后加 not如:I am
14、not reading a book.He is not ( isnt ) taking a picture.They are not ( arent ) cleaning the room.4现在进行时的 一般疑问句 把 be 动词调到句首如:Are you reading a book? Is he / she/ it taking a picture. Are they cleaning the room?5.现在进行时的特殊疑问句的基本结构为:does + he / she /it / his father /名词单数 + 动词原型 ?do + you / they / their p
15、arents /名词复数 + 动词原型 ?did + 人称 + 动词原型 ?are you / they 8疑问词 + be + 主语 + 动词 ing?如: What are you doing?Where is he going shopping ?6. 但 疑问词当主语 时其结构为: 疑问词+ be + 动词 ing?如:Who is catching butterflies? Who are having a picnic?附:动词加 ing 的变化规则1一般情况下,直接加 ing,如:cook - cooking play - playing2以不发音的 e 结尾,去 e 加 ing
16、如:make-making taste-tasting have-having3如果末尾是一个元音字母和一个辅音字母双写末尾的辅音字母,再加 ing 如: run-running stop- stopping swim-swimmingshop- shopping 一般将来时一、概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事。句中一般有以下时间状语:tomorrow, next day(week, month, year),soon, the day after tomorrow(后天)等。二、基本结构: be going to + do; will+ do. 3、否定句:结构:
17、在 be 动词(am, is, are)后加 not 或 情态动词 will 后 加 not 成 wont.例如:Im going to have a picnic this afternoon. Im not going to have a picnic this afternoon. = I wont (will not) have a picnic.4、一般疑问句:结构:be 或 will 提到句首,some 改为 any, and 改为 or,第一二人称互换。例如:We are going to go on an outing this weekend. Are you going t
18、o go on an outing this weekend ?9五、对划线部分提问。一般情况,一般将来时的对划线部分有三种情况。1. 问人? Who?例如:Im going to New York soon.Whos going to New York soon?2. 问干什么? What Do?例如 My father is going to watch a race with me this afternoon. What is your father going to do with you this afternoon?3. 问什么时候? When?例如:Shes going to go to bed at nine. When is she going to bed?六、同义句:be going to = willI am going to go swimming tomorrow(明天). = I will go swimming tomorrow.