青少版新概念英语学案2A-Unit5

1、青少版新概念英语学案2A-Unit5DiscussionDo you know ants? What do you think of them? Guess “T” or “F”Ants usually live in wet places.T or FAnts may breathe under water.Ants always stretch their legs in the morning.T or FAnts usually yawn in the evening.T or FantwebpagebreathestretchyawninsectNew words and expre

2、ssions: 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 昆虫 使用 蚂蚁 幸存 网页 网站 呼吸 打哈欠生存5伸展 5晚上1腿2用2呼吸4网站 3 昆虫3 Words MemoryRobert: Look at this_, Mum. Its about_.Karen: Ants? Why are you _ants

3、?webpageantslooking upRobert: Why not? Ants are really_. They do really interesting things.Karen: What kind of thing?interestingRobert: Well, they_ live in _places. But they can_ under water for_ weeks.Karen: Really?usuallydrysurvive twoKaren: Do they _under water?Robert: It doesnt say.breatheRobert

4、: Oh, Mum, how about this? Ants always _their legs in the_.Karen: Youre joking!Robert: No,_!stretchmorningreallyKaren: Do they usually _in the morning, too?Robert: Well,_, they do!yawnfunnily enoughGrammar Points 1 Look at this webpage. Practice Look at _. (I)Look at _. (she)Look at _. (he)Look at _

5、. (they)Look at _. (us)看Grammar Point 2 Its about ants.Translation （翻译）Whats this about?This song is about friendship(友谊).-What time is it now? -About 3:30.关于Grammar Point 3 Why are you looking up ants? Why not? Ants are really interesting. “为什么不呢”， 我们可以用“why not” 来回答“why”引导的特殊疑问句Grammar Point 4 The

6、y usually live in dry places. They dont usually live in wet places.Grammar Point 5They 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。表示某一动作持续一段时间。Grammar Point 6How about this? （这个呢？）Make up your own dialogue with “how about”. For exle:How old is your mother?My moth

7、er is 35 years old. How about your father?He is 36 years old. Grammar Point 7 Karen: Do they usually yawn in the morning, too?Robert: Well, funnily enough, they do!表示they yawn; do 在这里指代前面出现过的动词，避免重复出现。go to schoolarrives homelisten to the newsgoes to workgoes to shoppingprepares a mealcome homewatch

8、 TVWhat time is it?Its 12 oclock.What time is it?Its ten past one.What time is it?Its a quarter past two.What time is it?Its half past five.What time is it?Its twenty to eight.What time is it?Its a quarter to nine.Attention!分在前，时在后；过用past，差用to；一刻quarter；半halffive oclockten past tentwenty-five past t

9、enhalf past twoa quarter to twelvetwenty to elevenpasttooclockhalf past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.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

10、直接在动词词尾加-s playplays likelikes 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. watchwatcheswishwishesdodoes gogoes （3）以“辅音字母加-y”结尾的动词，要先变y为i再加-es trytries studystudiescrycriesflyflies 不规则变化：beis 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(