《青少年新概念2a_unit5_all_about_ants_精讲+练习》由会员分享，可在线阅读，更多相关《青少年新概念2a_unit5_all_about_ants_精讲+练习（80页珍藏版）》请在金锄头文库上搜索。
1、,ant,webpage,week,breathe,stretch,leg,yawn,arm,evening,insect,New words and expressions:,ants insect webpage website look up yawn,蚂蚁 昆虫 网页 网站 查阅 打哈欠,New words and expressions:,breathe stretch survive use also funnily enough,呼吸 伸展肢体 幸存，生存下来 用，使用 也，并且 十分有趣地,ant,insect,webpage,look up,place,survive,wee
2、k,breathe,stretch,leg,joke,yawn,Funnily enough,arm,evening,also,insect,use,website,一般现在时 （The Simple Present Tense）,一般现在时表示经常发生的、习惯性的动作或存在的状态。其时间状语为often、 usually、 always、 sometimes等频率副词，on Saturdays、 in the morning(afternoon/ evening) 、every day（ week/year ） 等.,(1）表示事物或人物的特征、状态。 e.g.:天空是蓝色的 The sky
3、 is blue. 玛丽的爸爸是一名英语老师 Marys father is an English teacher. (2）表示经常性或习惯性的动作。 e.g.:我每天六点起床。 I get up at six every day. 她每天都做运动 She plays sports every day. （3）表示客观现实。 e.g.:桌子有四条腿 The table has four legs. 我们班有50个学生。 There are 50 students in my class.,（4）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。 太阳每天从东方升起。 The sun
4、rises in the east every day. 地球绕着太阳转。 The earth goes around the sun. （5）表示平日的喜好。 I like bananas. We dont like vegetables. He likes ice cream. She doesnt like strawberries.,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。 但有些同学们对于哪些主语是第三人称单数还不十分清楚。现归纳总结如下： 一、人称代词he, she, it是第三人称单数。 如： He likes wat
5、ching TV. 他喜欢看电视。 She has lunch at twelve. 她十二点吃午餐。 二、单个人名、地名或称呼作主语；是第三人称单数。 如：Han Mei likes salsd . 韩梅喜欢萨拉。 Beijing is in China. 北京在中国。 Uncle Wang often plays volleyball 王叔叔经常打排球。 三、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：This book is yours. 这本书是你的。 That car is red. The cat is Lucys. 这只猫是
6、露茜的。,四、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：Everyone is here. 大家到齐了。 This is a pen. 这是一支钢笔。 五、不可数名词作主语时为第三人称单数。 如：The milk（牛奶） is in the glass. 牛奶在玻璃杯里。 The bread is very small. 那面包很小。 六、当数字或字母作主语时，看作第三人称单数。 如：“6” is a lucky number. “6”是个吉利数字。 “I“ is a l
7、etter. “I“是个字母。,二只有主语在第三人称单数时用动词的“三单形式”，其他人称用动词原形。 动词三单形式的变化规则： （1）多数直接在动词词尾加-s play plays like likes ask-asks work-works get-gets call-calls （2）以字母s, x, ch, sh或o结尾的动词，在词尾直接加-es. watch-watches wish-wishes do-does go-goes （3）以“辅音字母加- y”结尾的动词，要先变y为i再加-es try-tries study-studies cry-cries fly-flies 不规则
8、变化： be- is have-has,三、一般现在时的句子转换： （1）变一般疑问句：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)提到主语的前面，（口诀：一调二变三问号） （2）变否定句：在be动词或情态动词后面直接加not变成否定句 (be）后not莫忘记) 例：陈述句：She is my sister. 否定句 She is not my sister. 疑问句 Is she your sister? 陈述句：I can play soccer. 否定句 I can not /cant play soccer 疑问句 Can you play socc
9、er? Yes,Ican./ No, I cant.,注意： 对一般疑问句的回答：一般用什么问就用什么来回答。但以下例外： Is this a pencil? Yes , it is./ No, it isnt. Is that your backpack? Yes , it is./ No, it isnt. Are these your parents? Yes, theyre./ No, they arent. （3）当句子中没有be动词，也没有情态动词时，变一般疑问句时，在主语前加助动词do (I, we, you,以及复数), does（第三人称单数she,he,it等）变成问句；
10、（4）变否定句时，在主语后谓语动词前加助动词dont,doesnt变成否定句，切记：助动词后的动词则还原成动词原形。 例：陈述句：We get up（起床） 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 brother. 疑问句 Does she have a brother? 否定句 She doesnt have a brother.,1.主语+（am/is/are）+其它 He is an offic
11、e worker. 2.主语（除第三人称单数）+动词原形+其它 I get up at six everyday. 3.主语（第三人称单数）+动词s/es+其它 My father usually goes to work by bus.,构成：(肯定句),1.主语+（am/is /are）not+其它 He isnt an office worker. 2.主语（除第三人称单数）+dont+动词原形+其它 I dont get up at six everyday. 3.主语（第三人称单数）+doesnt+动词原型+其它 My father doesnt usually go to work
12、 by bus.,构成：（否定句）,1.（Am/Is/Are）+主语+其它 Is he an office worker?(Yes, he is. /No, he isnt.) 2. Do+主语（除第三人称单数）+动词原形+其它 Do you get up at six everyday? (Yes, I do./No, I dont.) 3. Does+主语（第三人称单数）+动词原形+其它 Does your father usually go to work by bus? (Yes, he does./ No, he doesnt.),构成：（一般疑问句）,1This is my pen
13、cil ? (变一般疑问句) 2. These red socks are Kates . (变一般疑问句) 3. Mary does not have any books . (变肯定句) 4. She likes the black bag very much .(变为否定句) 5. I like apples. (用she改写句子) 6. Its an English dictionary .(对画线部分提问) 7. He has hamburger and apples for dinner . (变一般疑问句 二、用Be动词填空。 1. you Li Fen ? No, not .
14、2. Mr. green very busy ? Yes , he 3.This book very interesting . 4. What class you in ? 5. You and I good friends . 6. The basketball club fun . 三用所给动词的适当形式填空。 1. Lin Tao (like) his ruler . 2. Lets (have) ice cream . 3. Lets (play) tennis !,4. He (like) English. 5. Nice (meet) you ! 6. I (need) some
15、 fruits. 三、按照要求改写句子 1. Daniel watches TV every evening.(改为否定句) _ 2. I do my homework every day.(改为一般疑问句，作否定回答) _ 3. She likes milk.(改为一般疑问句，作肯定回答) _ 4. Amy likes playing computer games.(改为一般疑问句，作否定回答) _ 5. We go to school every morning.(改为否定句) _ 6. John comes from Canada（加拿大）(对划线部分提问) _ 7. She is a good student.(改为一般疑问句，作否定回答_,填空,1）Wh
