Unit 4 What are you doing?
基本词汇：
动词原形（一般现在时）→ 动词的现在分词形式（现在进行时） cook dinner → cooking dinner draw pictures → drawing pictures do the dishes → doing the dishes read a book → reading a book listen to music → listening to music wash the clothes → washing the clothes clean the room → cleaning the room write a letter → writing a letter answer the phone → answering the phone write an e-mail → writing an e-mail do homework → doing homework
talk 讲话 talk to和…讲话 See you later. 再见 hold on 请稍等 call 电话 speak to 和…讲话 Children’s Center 儿童活动中心 just fine都很好 基本句型
⒈ ---- What are you doing? 你正在做什么？ ---- I am doing the dishes. 我正在洗碗。 ⒉ Hello, it is Chen Jie. 你好，我是陈洁。 ⒊ This is Zhang Peng. 我是张鹏。 ⒋ I am talking to you. 我正在和你讲话。
⒌ Do you want to go to the Children’s Center? 你想要去儿童活动中心吗？ ⒍ Can I speak to your mom, please? 我可以和你妈妈讲话吗？ ⒎ Please hold on. 请稍等。
⒏ There is a call for you. 这里有找你的电话。 ⒐ How is everybody doing? 大家都在做什么? ⒑ I am coming. Who is that? 就来了。是谁啊？
句型转换：
⒈ 肯定句→一般疑问句：把be动词（am/is/are）调到句首，第一、二人称互换： 第一、二人称：I’m drawing pictures. ? Are you drawing pictures? (Yes, I am. / No, I am not.)
第三人称：Amy is doing homework. ? Is Amy doing homework? (Yes, she is. / No, she isn’t.) 【当第三人称是男性，回答时用he代替；是女性，则用she代替 ，若是复数则用they】
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⒉ 肯定句→否定句：在be动词（am/is/are）后+ not ： I am doing my homework. → I am not doing my homework.
He is listening to music. → He isn’t listening to music. ( isn’t = is not )
⒊ 划线提问：
⑴ I am drawing pictures. → What are you doing?
⑵ Amy is writing a letter in the study. → What is Amy doing in the study?
Amy is writing a letter in the study. → Who is Amy doing in the study? Amy is writing a letter in the study. → Where is Amy drawing pictures?
知识延伸： ⒈电话用语：
⑴介绍自己是谁时，可以用：“It is∕This is + 自己名字”。一定不能用“My name is…” ⑵询问对方是谁时，可以用“Who is that？”来提问，一定不能用“Who are you？” ⑶要找某人时，可以说：“Can I speak to + 要找的人” ⑷要告诉别人接电话时，可以说：“There is a call for you.” ⑸要别人稍等时，可以说：“Hold on please.”
⒉ 动词原型→现在分词（+ ing）的规则：
⑴一般情况下，直接在动词后+ ing，如：do---doing，draw---drawing
⑵以不发音的字母e结尾的动词，去掉e，再+ ing，如：write---writing ， take---taking
⑶以重读闭音节结尾的动词，如果词尾只有一个辅音字母，则先双写这个辅音字母再+ ing，如：
run---running ， swim---swimming ， shop---shopping
⒊现在进行时态的句子：
基本格式：主语 + be动词（am/is/are）+ V-ing（现在分词）+ 其他 例：I am listening to music. He is doing homework. They are running. 【注意：凡是出现 now、look、listen等词，该句的动词则需要用现在分词形式】
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Unit 5 Look at the monkeys
基本词汇：
动词原形 → 动词的现在分词形式（V-ing）→第三人称单数形式 fly → flying → flies 飞 jump → jumping → jumps 跳 run → running → runs 跑 swim → swimming → swims 游泳 walk → walking → walks 走
sleep → sleeping → sleeps 睡觉 climb → climbing → climbs 往上爬 fight → fighting → fights 打架 swing → swinging → swings 荡秋千 drink → drinking → drinks 喝 trunk 象鼻 climber攀登者 kangaroo袋鼠 bird小鸟 goose鹅 tiger老虎 monkey猴子 elephant大象 panda熊猫 lion狮子 animal动物 cute可爱的 nature park 自然公园 基本句型：
⒈Look at the tiger. It’s running. ( look at 是固定搭配，意思是：看) ⒉询问别人看到什么：
---- What do you see? 你看见什么了？ ---- I see … 我看见… ⒊询问什么动物正在干什么：What is / are + animal + doing?
⑴动物个数是单数时：---- What is the elephant doing? 大象在做什么？
---- It is drinking water. 它在喝水。
⑵动物个数是复数时：---- What are the elephants doing? 大象们在做什么？ ---- They are drinking water. 它们在喝水。 ⒋描述某种动物在干什么：The… is / are …
The panda is sleeping. 熊猫在睡觉。 The two rabbits are jumping.两只兔子在跳。 ⒌What about the baby elephant? 小象呢？ ⒍It is hungry. 它饿了。
⒎That elephant is drinking water with its trunk. 那只大象在用象鼻喝水。 ⒏What a big nature park! （感叹句）多么大的一个自然公园啊！ ⒐Here come two tigers. 这里就有两只老虎。
⒑Can tigers really swim? Yes, they can. 老虎真的会游泳吗？会。 ⒒They are good climbers. 它们是很棒的攀登者。
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句型转换：
⒈肯定句→一般疑问句：把be动词（is/are）∕can调到句首，其他保持不变： The tiger is running. → Is the tiger running? (Yes, it’s. / No, it isn’t. )
The pandas are sleeping. → Are the pandas sleeping? (Yes, they are. / No, they aren’t. ) The tiger can swim. → Can the tiger swim? (Yes, it can. / No, they can’t. )
⒉肯定句→否定句：在be动词（am/is/are）、情态动词can后+ not The tiger is running. → The tiger isn’t running. (isn’t = is not)
The pandas are sleeping. → The pandas aren’t sleeping. (aren’t = are not) The tiger can swim. → The tiger can’t swim. (can’t = can not)
⒊划线提问：
⑴ The tiger is running. → What is the tiger doing? The tigers are running. → What are the tigers doing? ⑵ I see five birds. → What do you see?
⑶ I see five birds. → How many birds do you see?
知识延伸：
⒈ 在英语中，当表示妈妈时，无论是人类的妈妈还是动物的妈妈，都可以用she来指代。 如：----What is the mother elephant doing? 大象妈妈正在干什么？ ----She is walking. 她正在走。
⒉be动词的用法：
我是am 你是（他们是∕她们是∕它们是）are it 跟着他、她、它 单数is 复数are
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Unit 6 A field trip
基本词汇：
动词原形 → 动词的现在分词形式 （V-ing） catch butterflies → catching butterflies pick up leaves → picking up leaves take photos → taking photos watch insects → watching insects do an experiment → doing an experiment
have a picnic → having a picnic count insects → counting insects write a report → writing a report collect leaves → collecting leaves play chess → playing chess woods树林 interesting有趣的 vegetable蔬菜 honey蜂蜜 sweet food甜食 thing东西 together一起 tell告诉 leave离开 over there那里 基本句型：
⒈询问某人正在做什么：What + be动词+人物+V-ing. ---- What is Mike doing? ---- He is watching insects.
⒉询问某人是不是正在做某事：be动词+人物+V-ing? ---- Are they catching butterflies? ---- Yes, they are. / No, they aren’t.
⒊What do ants like to eat? They like sweet food. 蚂蚁喜欢吃什么？ 它们喜欢甜食。 ⒋That is interesting. 太有趣了。
⒌Come and have a look at the ants. 过来看看这些蚂蚁。 ⒍Do an experiment on me, please. 请用我来做实验。 ⒎He is in the woods. 他在树林里。
⒏Tell him we’re leaving. 告诉他我们要离开了。 ⒐She is running to us. 她正向我们跑来。
⒑She is over there. 她在那里。 I am coming. 我来了。
知识延伸：
⒈表示用什么做实验时，要用on，如：Do an experiment on me, please.
⒉It is time to后面接动词原形，如：It is time to have lunch. 到吃午餐的时间了。 It is time for 后面接名词，如：It is time for English class. 到英语课时间了。
⒊单复数：
butterfly—butterflies蝴蝶 leaf—leaves叶子 insect—insects昆虫 wood树木— woods树林 ant—ants蚂蚁
★ 可数名词变复数的变化规则：
①一般在词尾加s，如：books、bags、fruits、girls、pens、
②以th结尾的名词，词尾+s，如：months、mouths、paths
③以s、x、z、ch、sh结尾的名词加es，如classes、boxes、peaches、fishes
④以辅音字母加y结尾的名词，变y为i再+es，如：family-families 、baby-babies 以元音字母加y结尾的名词直接在词尾+s， 如： boy-boys、day-days、toy-toys
⑤以辅音+o结尾的名词，词尾+es ，如：tomato-tomatoes 、potato-potatoes
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