动词的现在分词的变化规则

1、动词的现在分词的变化规则（现在进行时）1 一般的动词，直接在动 词后加ingwork - workingsleep - sleepingstudy - studying2以不发音字母e结尾的 动词，要先去e加ingtake - taking make - making dance - dancing 但是 see-seeing3重读闭音节的动词，要双 写最后一个字母，再加ing swim-swimming周六早晨游泳天气好get-getting (up)小明早晨未起早sit-sitting坐起忙把衣穿好put (on)- puttingbegin - beginning时间不早赶紧开始跑run

2、-runningforget -forgetting忘带午饭又把商店找shop-shoppingstop-stoppingcut - cutting停止剪发就逃跑4以ie结尾的动词，把ie变为V再加inglie - lying平躺/说谎tie - tying系，捆（鞋带，领带）die - dying 死一般现在时L概念：表示经常性或习惯性的动作或存在的状态。2 .一般现在时常常与下面这些时间状语连用:always（总是） often（经常） seldom（彳艮少） once/twice ausually（通常）sometimes（有时）never（从不）week（一周一/二次）every da

3、y / month/year 每天/每月序3 .当主语不是第三人称人称单数时，主 语后面的动词用动词原形，不需做任何 变化。如：I go to school by bus every day.I have a pen and a book.We watch TV everyday.You have a lot of money.They often do their homework .4 .当主语是第三人称单数时，主语后面 的动词需要做相应的变化.即在动词后面加s或es或把have改为 has3.第三人称单数，动词的变化规则：一般动词后面直接加s如：play-plays like-likes

4、*She usually sings song.(2)动词以s,x,ch,sh,o结尾的加es如：watch- watches go- goeswash- washes do- doesHe goes to school by bus.(3)以辅音字母加y结尾的动词，把y改为i再加es如:fly- flies study- studiesLi ping studies hard at school.4 .如果要把一个含有be动词的句子，变为一般疑问 句，直接把be动词提到主语的前面即把(i“am,ar%was,were)直接，句末用问号。5 .如果要变为否定句，直接在be(IS,am ,are

5、,was,were) 动词后面加"not"。如： Mary is a good student.Is Marygood studentYes,she is.（前面肯定，后面肯定） y回答前后要一致No,she isn't.（前面否定，后面否定）Mary isn't a good student.We are students.Are you studentsYes, we are.（前面肯定，后面肯定）Y回答前后要一致-No,we arent（前面否定，后面否定） We are not/ aren*t students.3.如果句子中没有be动词，就必须借用

6、do或 doesod。（主语不是第三人称单数） 助动词 Y提到主语的前，does（主语是第三人称单数）一般疑问句：就把do或does提到主语之前。如：They have lunch at 12:00.They don't have lunch at 12:00.Do they have lunch at 12:00* 5.主语是第三人称单数时，需要借用助动词does 变为一般疑问句：将Does提到句子的开头变为否定句：在主语后面加does1借用助动词does之后，原来的动词倒回去用原形。即 去掉s或es或把has变为have如： Jenny speaks English very we

7、ll. <Does Jenny speak English very wellJenny doesn't speak English very well.Mike watches TV every night.Does Mike watch TV every nightMike doesn't watch TV every night.She has lunch at school every day.Does she have lunch at school every dayShe does't have lunch at school every day.

8、一般过去时 1.概念：表示过去某个时间里发生的动作或存在的状态；2.规则动词的变化规则：一般的动词直接在其后加ed。如： wanted, played®1 .一般有：基数词+thf序数词（规则变化）four（四）">fourth（第四）six（六" sixth（第六）seven（七）->seventh （第七）ten（十）-»tenth （第十）eleven（十一）eleventh-> （第4）2 .*不规则变化的one（一）ffirst（第一）two（二）9second（第二）*three（三）今third（第三）five （五）今f

9、ifth （第五）eight （八）+eighth（第八）nine（九）->ninth （第九）twelve（十二）9twelfth（第十二）3 .从1319的基数词，都在个位数后加teen构成14->fourteen15-> fifteen16->sixteen17->seventeen189eighteen19->nineteen4 .整十的序数词，变y为ie再加th20 twenty->twentieth 第二十30 thirtythirtieth 第三十40 forty->fortieth 第十四50 fifty->fiftieth

10、 第五十60 sixty->sixtieth 第六十70 seventy->seventieth 第七十80 eightfeightieth 第，l十I90 ninetyninetieth 第九十五.分数的表达：分子用下基数词 分母就序数词特别要注意：当分子大于1时，分母要用：复数2/2 one secondJ/12 one twelfth7/8 seven eighthsthree fifths加减乘除表达a decimal number 小数a fraction 分数a percentage 百分数a odd number 奇数an even number 偶数degrees

11、度数1 .加:and; plus; add to 2+4=6Two and four is/equals six.或 Two plus four is/equals six.或 Two added to four equals six.2 .减：minus; subtract from 8-3=5 Eight minus three is/equals five.或 Three subtracted from eight is five.3 .乘：multiply.by;multiplied by /times 3x5=15Multiply three by five is/equals fi

12、fteen. 或 Three multiplied by five is/equals fifteen.4 .除：divide by./divide .by. 24+8=3Twenty-four divided by eight is/equals three. 或 Divide 24 by 8 is /equals three.祈使句一、祈使句的概念 表示请求、命令、建议等的句子叫祈使句。它的主语是听话人(you), 一般不需要说出来。通常以动词原形开头。祈使句末尾用惊叹号或句号，句子用降调。二.肯定祈使句Open the door, please.请把门打开。Stand up,please

13、./Sit down,please.Hurry up!快点跟上。二、否定祈使句祈使句的否定式是在动词原形前加dont如:Don,t be late again.不要再迟到了。Please don't forget me.请别忘了我。Don't hate me.别恨我。DoNt worry!别着急！三、肯定勺Let勺让我们。1 Let us /me让我们/我。否定句f Lefs/me not让我们不做。I Let us not让我们不做。Please let me go.让我走。一Let's go swimming, shall we 我们去游泳，好吗Let us go

14、swimming, will you请你让我们去游泳，好吗练习题：按要求改写下面的句子。should go to school on time.（改为肯定祈使句）carefull.（改为否定祈使句）must take care of the cat.（改为否定 祈使句）名词单数变复数规则二、一般的可数名词的复数形式，直接在其后加三、例：friendTfriends 朋友； catTcats 猫 sport->sports 运动；piece->pieces 张/片二、凡是以s、x、ch、sh结尾的词，在其后加es例：bus->buses 公车；foxf foxes 狐2matc

15、h->matches 比赛，dish 今dishes 盘子五、三、辅音字母+y结尾的名词，变y为i,再加esa,例：candy今candies 糖果lady->ladies 小姐/女士storystories 故事四、以。结尾的名词,二列：tomato今tomatoes 西红柿potato->potatoes 土豆photo今photos 相片 kilo->kilos 公斤piano今pianos 钢琴 hero ->heros 英雄五、凡是以f或fe结尾的名词，变f或 改变为再加es例：knife->knives 小刀;life-olives 生命但有例外:如roof今roofs屋檐handcuffs手铐六、不规则变化的名词：man->men 男人woman->women 女人policeman -> policemen 男警察policewoman -> policewomen 女警察child今children 小孩foot-feet 脚tooth-teeth 牙齿，goosegeese 鹅 mousefmice 老鼠/