5.Sam and Bobby are playing table tennis happily.萨姆和波比正在开心地打乒乓球。
【解析】此句为现在进行时的用法，现在进行时表示说话时动作正在发生，其构成形式为“am/is/are+doing”。
【例句】—What is Su Yang doing?苏阳正在干什么？ —She’s drawing pictures.她正在画画。 【例题】（ ）My mother the dishes in the kitchen now. A.washes B.washed C.is washing
6.You’re really good at table tennis,Sam.你真的很擅长打乒乓球，萨姆。 【解析】be good at...意为“擅长......”，后接名词或动词的-ing形式。其同义短语为“do well in...”。 【例句】（1）Helen is good at English.海伦擅长英语。 （2）They are good at swimming.他们擅长游泳。 【例题】根据中文意思，完成句子。
（1）我的姐姐擅长语文。 My sister Chinese. （2）我们擅长踢足球。 We football. 7.Sam has an idea.萨姆有一个主意。
【解析】have an idea 意为“有一个主意”，也可以在idea前面加good,bad等形容词，此时前面的不定冠词要改为a。
【例句】—How should we do it? 我们应该怎样做呢？ —I have a good idea.我有一个好主意。 【例题】根据中文意思，完成句子。
就在那时，波比有了一个坏主意。Just then,Bobby idea.
语法专题
1.副词在句中修饰谓语动词作状语，副词修饰动词时一般放在所修饰的动词之后。 【例句】（1）The students played games happily in the playground. 学生们在操场上开心地玩游戏。
（2）The children sang songs excitedly at the party.孩子们在聚会上兴奋地唱着歌。 【例题1】根据中文意思，完成句子。
（1）学生们正在课堂上认真听讲。
The students in class. （2）不要在图书馆大声地笑。
Don’t in the library.
2.形容词变为副词的方式：一般情况下，形容词变为副词时只要在其词尾加“ly”即可，以y结尾的则先变y为i，再加ly。 【例句】（1）Please be quiet.Sit quietly,class.请安静。安静地坐着，同学们。 （2）She is a happy girl.She plays happily every day. 她是个快乐的女孩。她每天都玩 得很开心。 【例题2】用所给单词的适当形式填空。
（1）The woman was very .She was crying .（sad） （2）The lion become .He should .（angry）
3.不规则变化的动词过去式需要我们单独记忆，不规则变化的动词过去式比较有特点。如 （1）与原形相同：
let--let hit--hit cut--cut put--put hurt---hurt read---read （2）改变元音：
meet--met get---got sit---sat come---came drink---drank sing---sang swim---swam know---knew draw---drew （3）其他：
bring---brought buy---bought catch---caught teach---taught say---said tell---told 【例句】（1）The dog bit the rope and ran away.狗咬断了绳子逃跑了。
（2）I met Mr Green in the street yesterday.我昨天在街上遇见了格林先生。 【例题3】（ ）1.They kites in the park yesterday. A. fly B.flew C.flyed
（ ）2.He many photos during his holiday in London. A.took B.taked C.takes
练习与检测 一、英汉互译。 1.就在那时 2.擅长英语 3.狮子来了！ 4.太兴奋
5.pour waste water into the bin 6.sing songs carefully
7.catch the little mouse with a net 8.大国家
9.又高又大的男人 10.某一天 11.叫醒我们
12.够得着树上的那些花 13.走过大厅
14.sharp teeth in the loin’s mouth 15.cheering for their success(成功) 16.let it go
二、从Ⅱ栏中选出与Ⅰ栏相对应的答句，将序号填在括号内。 （ ）1.How can I help me? A.Don’t be sad.I can help you. （ ）2.I’m small and weak. B.I can bite the net with my teeth. （ ）3.How can I get out? C.Yes,you’re right. 三、填空。
Last Sunday,I ________ (go)to a shopping centre with my mum and dad.We ________(see)a
small boy on the floor.He________(look)sad.We________(go) to him and________(help)him up.I ________(ask)him,”Are you OK?”He________ (say),”I can’t find my mum.”Dad ________(take)him to an office in the shopping centre.I ________(give)him a sweet.The small boy________(become)happy.I ________(be)happy too. 四、阅读理解。
The lion and th duck
It is a hot day in summer.A lion is walking along a lake.He is looking for something to eat.He is very hungry.A goose is swimming in the water .The liso is very happy to see him.“The is my lunch,”The lion says to himself（自言自语）.
“Hello Mr.Goose!” “Go away,you bab lion ”says the goose.“I have good news for you.” “What is it?”asky the goose.“I don’t want other animals to hear it.Please come here.”Says the lion.The poor goose gest out of the water and runs to the lion.The lion eats him up. （）1.The lion wants to________.
A.walk along the lake B.find something to drink C.find something to eat （）2.________says to________,”There is my lunch.”
A.The lion;himself B.The duck;himself C.The lion;the duck （）3.The duck thinks ________at first(起初).
A.the lion is good B.the lion is bad C.the lion is his lunch （ ）4.________is________at last（最后）.
A.The duck;not the lion’s lunch B.The lion;the duck’s lunch C.The duck;the lion’s lunch
相关推荐：
loading