一般疑问句和动词三人称单数1.doc

动词第三人称单数形式 动词第三人称单数形式 一般现在时的肯定句中，主语为第三人称单数的动词变化主要体现在词尾的变化上，其规律大体有三点：1.一般情况下，直接在动词词尾+s，例如：getgets;taketakes 2. 以s,sh,ch,x,o结尾的动词，在词尾+es，例如：teachteaches;fixfixes;gogoes3.以辅音字母+y结尾的动词，变y为i，再+es，如：studystudies;trytries 除上述规律外，还应注意下面: 动词have，遇到主语是第三人称单数时，要用has；动词be的第三人称单数形式是is。 be动词包括：am，is，are。第三人称单数用is；过去式为was；复数用are，过去式为were. 在一般现在时中，当主语是第三人称单数时，谓语动词要用第三人称单数形式，即常在动词原形后加-s或-es。第三人称单数: 一、人称代词he,she,it是第三人称单数。如： HelikeswatchingTV. Shehaslunchattwelve. Itlookslikeacat. 二、单个人名、地名或称呼作主语；是第三人称单数。如： HanMeilookslikehermother.BeijingisinChina. UncleWangoftenmakescakes.3、 单数可数名词或this/that/the+单数可数名词作主语时，是第三人称单数。如： Ahorseisausefulanimal. Thisbookisyours. Thatcarisred. ThecatisLucys.4、 不定代词someone,somebody,nobody,everything,something等及指示代词this, that作主语时，是第三人称单数。如： Everyoneishere. Thereissomethingwrongwiththewatch. Thisisapen. Thatisaneraser. 5、 不可数名词作主语时为第三人称单数。如： Themilkisintheglass. Thebreadisverysmall. 一般现在时A.定义：表示经常性的事情，经常性的动作或一般性事实。时间状语：often 经常，usually通常，always 总是，every每个，sometimes 有时，at 在几点钟只有在第三人称单数用动词的“三单变化”，其他用动词的原形。三单变化：（1） 直接在动词词尾加-s. 如：ask-asks work-works get-gets stay-stays（2）以字母s, x, ch, sh或o结尾的动词，在词尾直接加-es. 如：watch-watches wish-wishes fix-fixes do-does go-goes pass-passes（3） 以“辅音字母加 - y”结尾的动词，要先变y为i再加-es. 如：try-tries study-studies cry-cries fly-flies (4)不规则变化： be- is are have-hasB.一般现在时用法（1）表示经常性，习惯性,永久性的动作或存在的状态.通常与副词sometimes, often, usually, always, every day (year, month ), once (twice, three times) a day,等时间状语连用。E.g. They usually go to school by bike.I take the medicine three times a day.She helps her mother once a week.Marys father is a policeman.There are 50 students in my class.（2）表示客观真理，科学原理，自然现象，等客观事实或格言，谚语等。E.g. The sun rises in the east and sets in the west every day. The man who has never been to the Great Wall is not a real man.C.、一般现在时的句子转换：（1） 当句子中有be动词或情态动词时，则把be动词或情态 动词(can,could等等)提到主语的前面变成疑问句;在be动词或情态动词后面加not变成否定句.E.g. 陈述句：She is a student.疑问句 Is she a student?否定句 She is not a student. 陈述句：I can swim.疑问句 Can you swim否定句 I can not swim.(2) 当句子中即没有be动词，也没有情态动词时，则在主语前加助动词do (you,以及复数), does（单数she,he,it）变成问句；在主语后谓语动词前加助动词dont（I,you,以及复数), doesnt（单数she,he,it）变成否定句，助动词后的动词要变成动词原形。E.g.陈述句：We get up at 7:00 every morning.疑问句Do you get up at 7:00 every morning?否定句We dont get up at 7:00 every morning.陈述句：She has a little brother.疑问句 Does she have a little brother?否定句 She doesnt have a little brother.3. 特殊疑问句由特殊疑问词+一般疑问句构成：Howoldareyou? WhatsthisinEnglish?练习动词第三人称单数形式的练习 写出下列动词的第三人称单数。meet_go_bring_make_look_have_pass_take_come_watch_plant_fly_study_need_teach_用括号内动词的适当形式填空。1.Heoften_(have)dinnerathome.2. We_(notwatch)TVonMonday.3. Nick_(notgo)tothezooonSunday.4. _they_(like)theWorldCup?5.What_theyoften_(do)onSaturdays?6._yourparents_(read)newspaperseveryday?7.Thegirl_(teach)usEnglishonSundays.8.SheandI_(take)awalktogethereveryevening.9.There_(be)somewaterinthebottle.10.Mike_(like)cooking.11.They_(have)thesamehobby. 12.Myaunt_(look)afterherbabycarefully.13.Youalways_(do)yourhomeworkwell.14.I_(be)ill.Imstayinginbed. 15.She_(go)toschoolfromMondaytoFriday.16.LiuTao_(do)notlikeP.E.17.Thechildoften_(watch)TVintheevening.18.SuHaiandSuYang_(have)eightlessonsthisterm.19.He_TVeveryevening.(watch) 20.John_likehisfather.(look)一般现在时1. Where_ Lucy come from? A. do B. does C. is D. are2. Most of the students_ China. A. comes from B. is from C. are from D. come of3. We speak English_ . A. every days B. everyday C. very day D. every day4. My math teacher _a big pair of glasses. A. wears B. put on C. wear D. puts on5. What _your father and mother _? A. does, do B. do, do C. are, do D. do, does（二）用动词适当形式填空：1. His radio is broken. It_（sound）terrible.2. Did somebody drop water on the rug? It_（look）wet.3. Every year my parents_（give）me a present for my birthday.4. The club_（send）her a letter every month.5. Does your dad_（wash）his car once a week? Yes, he does.6. Lin Tao is a good student. He_（study）very hard.7. They_（work）at the bank.5. This is his backpack.（改为一般疑问句并做否定回答）_ _ his backpack? _, _ _.1. This is a pencil case. (变为一般疑问句) _ 2. Is that her key? (否定回答) _ 3. not, is, my, It, backpack (连词成句) _ 4. That is a ring. (变为一般疑问句)_ 把下列句子改为否定句和一般疑问句：1.Mary is an English girl.2.Daming and Wang Hui are good friends。3.We are from Beijing.4.I am twenty-nine.5.His favourite sport is swimming.6. Eggs are my favourite food.一般疑问句练习（变为否定，填空，再回答）1. He can play the guitar. - - play the guitar?2. They can dance. - - dance?3. My friend wants to know about my morning.- - - - to know about- morning?4. Tony has a computer. - Tony- a computer?5. He teaches us art. - - - us art?6. She watches TV in the morning. - - - TV in the morning?7. I watch TV in the evening. 任务型阅读 Thisismyfamily.MygrandpasnameisHarryBrow.MygrandamasnameisJeanBrown.MyfathersnameisJeffBrown.Mymothersna