1、情态动词情态动词can的用法的用法一、基本用法一、基本用法 1.表示能力（如体力和脑力方面），意为表示能力（如体力和脑力方面），意为“能；会能；会”等。等。例如：例如：Can you speak English?你会讲英语吗？你会讲英语吗？Can you play the piano?你会弹钢琴吗？你会弹钢琴吗？2.表示请求或允许，多用在口语中，意表示请求或允许，多用在口语中，意为为“可以；能可以；能”等。用于疑问句中用来等。用于疑问句中用来提出要求，用于否定句表示不允许。提出要求，用于否定句表示不允许。例例如：如：Can I help you?我能帮助你吗？我能帮助你吗？You cant p
2、lay basketball.你不能玩篮球。你不能玩篮球。Can you.？“请你请你好吗？好吗？”表示表示说话人的请求；说话人的请求；Can I.？“我可以我可以吗？吗？”用来征用来征求对方是否允许自己做某事。如在句末求对方是否允许自己做某事。如在句末加上加上 please一词就显得更有礼貌了。一词就显得更有礼貌了。例如：例如：Can you help me,please?请你帮助我好吗？请你帮助我好吗？3.表示可能。表示可能。例如：例如：He can be at home now.他现在可能在家。他现在可能在家。The moon cant always be full.月亮不可能常圆。月亮
3、不可能常圆。4.表示怀疑。在表达此意时，只能用于表示怀疑。在表达此意时，只能用于一般疑问句中，带有感情色彩。一般疑问句中，带有感情色彩。例如：例如：Can it be true?那会是真的吗？那会是真的吗？二、句式变化如下：二、句式变化如下：1.在变否定句时，直接在在变否定句时，直接在can后加上后加上“not”,可缩写成可缩写成cant或或cannot,但不能写但不能写成成cannt。例如：例如：He can swim.He cant swim.Tony can see the pen on the desk.Tony can not see the pen on the desk.2.在变
4、一般疑问句时，直接移到主语在变一般疑问句时，直接移到主语前（原主语的首字母改成小写，第一前（原主语的首字母改成小写，第一人称应变为第二人称）即可。人称应变为第二人称）即可。例如：例如：I can see an orange on the table.Can you see an orange on the table?其回答可用其回答可用Yes,OK或或Certainly等作肯等作肯定回答；用定回答；用No或或Sorry等作否定回答。等作否定回答。例如：例如：Can you look after my dog,please?你能照看一下我的狗吗？你能照看一下我的狗吗？OK.可以。可以。用用Ce
5、rtainly回答。此时语气更为肯定。回答。此时语气更为肯定。Can I see your piano?我能看看你的钢琴吗？我能看看你的钢琴吗？Certainly.当然可以。当然可以。翻译下列句子。翻译下列句子。1.我不会弹钢琴，但我会唱歌。我不会弹钢琴，但我会唱歌。_.2.你会骑马吗？你会骑马吗？不，我不会。不，我不会。_.3.我不会游泳，但我会打篮球。我不会游泳，但我会打篮球。_.I cant play the piano,but I can sing.Can you ride a horse?No,I cant.I cant swim,but I can play basketball.
6、4.Sally会放风筝，我也会。会放风筝，我也会。_.5.Bill会说法语，但他不会说俄语。会说法语，但他不会说俄语。_.6.他们不会说西班牙语和阿拉伯语。他们不会说西班牙语和阿拉伯语。_.Sally can fly a kite,I can fly a kite,too.Bill can speak French,but he cant speak Russian.They cant speak Spanish or Arabic.Complete the sentences with can or cant.1._ you swim?Yes,but I _ swim well.2.Are
7、you coming with us?Sorry,I _ ride a bike.Can cantcant3.What _ the new cleaning monitor do for us?He _ make our classroom tidy.4._ you play the piano for us?Sorry,I _ play the piano,but I _ sing for you.can canCan cantcanComplete the passage with the correct form of the words from the box.beautiful C
8、hinese monitor piano tidy I like playing the(1)_.I am Chinese so I can speak(2)_ very well and I can speak English too.I am very(3)_ and I help my mum to clean our home.I want to be the cleaning(4)_ at school because I want to make our classroom(5)_.pianoChinesetidymonitorbeautiful 1.Make a poster.D
9、raw a picture for your club.2.Show and talk about your poster with your classmate.the Great Barrier Reef(大堡礁大堡礁)Whats Australia famous for?a natural wonder over 2,600 kilometres long It lies off the northeast coast ofAustralia.Sydney Opera House a huge sailing boatIts like with water on three sides.
10、Ayers Rockin central Australia in the centre of AustraliaAccording to local people,its a magical place.kangaroocamelsharkkoala What animals can you see in Australia?sheepa sheep farmerHe wears a special _ to keep away.hatHe uses a tool called _ to cut wool off sheep.scissorsPeople can get _ from she
11、ep.woolfliesmagical adj.神奇的神奇的;迷人的迷人的height n.高度高度;身高身高sailing boat 帆帆船船sailing n.航海航海;航行航行sheep n.羊羊;绵羊绵羊fly n.苍蝇苍蝇wool n.羊毛羊毛ant n.蚂蚁蚂蚁hat n.帽子帽子scissors n.复数复数剪刀剪刀diary n.日记日记;日记薄日记薄keep a diary 写日记写日记1)The country that Tony would like to visit is_.2)In Tonys opinion,Australia is famous for _.3)A
12、yers Rock is a huge rock in the _ of Australia.4.Australia is _ English-speaking country in the southern part of the world.Australiacentrethe Olympic Games in 20002.Listen and complete the sentences.the largest Tony and his father are talking about Australia.Watch the video and finish the table.3.Li
13、sten and read.Facts about AustraliaName Sydney Opera HouseGreat Barrier ReefLocation SydneyDetails a special huge rockAyers Rockcentral Australialike a huge sailing boatnortheast coast of Australiaover 2,600 kilometres longWhile-listeningFind attributive clauses with that.My teacher asked us to choo
14、se a country(that we want to visit),.2.I have some photos(that I took in Australia last year.)3.They wear special hats(that keep the flies away.)4.The scissors(that theyre holding)are used to cut the wool off the sheep.5.I hated the ants(that were all over the place.)1.我们这就看看我们这就看看2.根据根据3.帆船帆船4.三面环水
15、三面环水5.使避开使避开6.被用于做被用于做7.把某物从某物上剪掉把某物从某物上剪掉8.写日记写日记9.把某物从某物上刷掉把某物从某物上刷掉10.那时那时here we goaccording to sailing boatwith water on three sideskeep sb./sth.awaybe used to do sth.cut sth.off sth.keep a diarybrush sth off sthat the time5.Complete the passage with the correct form of the words and expression
16、 in the box.according to ant brush central diary hat hate height scissors Tony is going to write a letter about Australia.His dad helps him.He shows Tony some photos.Tony sees a photo of Ayers Rock in _ Australia.Ayers Rock has a(n)_ of 348 metres,and _ the local people,it is a magical place.Tony al
17、so sees some photos of sheep famers with special _ to keep away flies.centralheightaccording tohatsThe farmers use _ to cut the wool off sheep.Tonys dad says Tony can read his _.He also says he _ the _ that he had to _ off his clothes!scissors diary hatesantsbrushWork in pairs.Talk about a place you
18、 have visited,and make a report.What is it calledWhere is itWhat is special about itWhy do you like itFor example:-Whats the name of the place that you have visited?-Its called-Where is it?-Its in.What is it calledWorld Park.Where is itin Beijing.What is special about it many miniatures(微缩模型)of spec
19、tacles(景观)from all over the world.Why do you like itbeautiful,interestingMake a report like this:Last year,I went to the World Park.It is in Beijing.There are many miniatures of spectacles from all over the world in the park.I like it because I think it is a beautiful and interesting place.1.Vocabulary and phrases.2.The use of the attributive clauses with that 3.Talk about a place you have visited.1.Finish exercise paper.2.Write a passage about a place you have visited.
