青少版新概念英语2A-Unit5.pptVIP

Unit5 All about ants! Discussion Do you know ants? What do you think of them? Guess  “T” or “F” Ants usually live in wet places. ant webpage breathe stretch yawn insect Robert: Look at this______, Mum. It’s about____. Karen: Ants? Why are you ______ants? Robert: Why not? Ants are really______. They do really interesting things. Karen: What kind of thing? Robert: Well, they_____ live in ___places. But they can_____ under water for___ weeks. Karen: Really? Karen: Do they _____under water? Robert: It doesn’t say. Robert: Oh, Mum, how about this? Ants always ____their legs in the_____. Karen: You’re joking! Robert: No,_____! Karen: Do they usually ____in the morning, too? Robert: Well,_______, they do! Look at this webpage. Practice Look at _____. (I) Look at _____. (she) Look at _____. (he) Look at _____. (they) Look at _____. (us) It’s about ants. Translation （翻译） What’s this about? This song is about friendship(友谊). --What time is it now? --About 3:30. Why are you looking up ants? Why not? Ants are really interesting. They can survive under water for two weeks. Practice： 她每天看两小时电视。 他每天睡觉八小时。 我爸爸每天早上跑步两小时。 How about this? （这个呢？） Make up your own dialogue with “how about”. For example: How old is your mother? My mother is 35 years old. How about your father? He is 36 years old. Karen: Do they usually yawn in the morning, too? Robert: Well, funnily enough, they do! 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? askasks? workworks? getgets? callcalls? （2）以字母s,?x,?ch,?sh或o结尾的动词，在词尾直接加-es.? ? watchwatches?wishwishes?dodoes gogoes?? （3）以“辅音字母加-?y”结尾的动词，要先变y为i再加-es trytries studystudies?crycries?flyflies? 不规则变化： be?is havehas? 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：①陈述句：She?is?my?sister. 否定句→?She?is?not?my?sister. 疑问句→?Is?she?your?sister??