1、按照动词在句中的按照动词在句中的功能功能，可以把动词分为，可以把动词分为实义动词、系动词、助动词和实义动词、系动词、助动词和情态动词情态动词动动词词BeBe动词动词实义动词实义动词助动词助动词情态动词情态动词系动词本身具有一定的词义但不够完系动词本身具有一定的词义但不够完全，必须后接表语共同构成复合谓语，全，必须后接表语共同构成复合谓语，构成所谓的构成所谓的“系表结构系表结构”。常见的系动。常见的系动词有：词有：be、remain、seem、appear、smell、feel、sound、taste、look、feel、get、grow、become、keep等。等。动动词词BeBe动词动词实
2、义动词实义动词助动词助动词情态动词情态动词实义动词具有实际的词义，独立作谓语。实义动词具有实际的词义，独立作谓语。实义动词分为及物动词和不及物动词。实义动词分为及物动词和不及物动词。（1 1）及物动词）及物动词及物动词后面必须要有自己的宾语，构及物动词后面必须要有自己的宾语，构成所谓的成所谓的“动宾结构动宾结构”。（2 2）不及物动词）不及物动词不及物动词不需要宾语，但有些不及物不及物动词不需要宾语，但有些不及物动词与介词连用后接宾语，构成所谓的动词与介词连用后接宾语，构成所谓的“介宾结构介宾结构”。也即，不及物动词要想。也即，不及物动词要想接宾语，就应当与介词连用。接宾语，就应当与介词连用。
3、动动词词BeBe动词动词实义动词实义动词助动词助动词情态动词情态动词助动词不能独立作谓语，只能和其他动词助动词不能独立作谓语，只能和其他动词的一定形式共同构成复合谓语。助动词分的一定形式共同构成复合谓语。助动词分为基本助动词和半助动词。为基本助动词和半助动词。（1 1）基本助动词）基本助动词基本助动词本身没有词义，不能独立作谓基本助动词本身没有词义，不能独立作谓语，只能和其他动词的一定形式共同构成语，只能和其他动词的一定形式共同构成复合谓语。基本助动词主要有：复合谓语。基本助动词主要有：bebe、dodo、havehave、shallshall、shouldshould、willwill、wo
4、uldwould等。等。（2 2）半助动词）半助动词半助动词是一种介于实义动词和助动词之半助动词是一种介于实义动词和助动词之间的动词结构，本身有词义但不够完全，间的动词结构，本身有词义但不够完全，不能独立作谓语，只有和其他动词的不定不能独立作谓语，只有和其他动词的不定式共同构成复合谓语，才能表达完整含义。式共同构成复合谓语，才能表达完整含义。半助动词主要有两类：半助动词主要有两类：be+be+形容词形容词+to+to；appear/seem/chance/happenappear/seem/chance/happen等词等词+to.+to.动动词词BeBe动词动词实义动词实义动词助动词助动词情
5、态动词情态动词情态动词本身有词义但不完全，不能独情态动词本身有词义但不完全，不能独立作谓语，没有人称和数的变化，只能立作谓语，没有人称和数的变化，只能和其他动词的一定形式共同构成复合谓和其他动词的一定形式共同构成复合谓语。常见的情态动词主要有：语。常见的情态动词主要有：cancan、couldcould、maymay、mightmight、mustmust、have tohave to、shallshall、shouldshould、ought toought to、willwill、wouldwould、needneed、daredare、used toused to等。等。shallsha
6、ll、shouldshould、willwill、wouldwould既可以作既可以作助动词，又可以作情态动词。但是，它助动词，又可以作情态动词。但是，它们作情态动词时具有一定的词义，作助们作情态动词时具有一定的词义，作助动词时没有词义，只是表示时态。动词时没有词义，只是表示时态。Talk about the function of modals.Then match the meanings to the words in bold.Underline the modals in the introduction to an app and talk about their meanings
7、.If you dare not try a“painful”diet to stay healthy,this new app is the perfect solution-and you neednt pay for it!The app works by quickly showing photos of different food.All you have to do is select the photos of healthy food.Then youll be able to train your brain to select healthy food in real s
8、ituations.So,if youre a sugar addict and arent able to say no to chocolate or cola,you had better download it now!Complete the tips for good table manners with correct form of the modals.have todare nothad betterneednt/dont have tobe able to1 be able to 与与 can/couldWill you _ come tomorrow?I am sorr
9、y I havent _ to answer your letter in time.The math problem was very hard,but I _ to work it out.By the time she was eight,she _speak Creek and Latin.I want her to _ use a computer.1)be able to有更多的时态有更多的时态,can 只有一般式和过去式只有一般式和过去式.2)was/were able to do sth.表示有结果表示有结果,相当于相当于succeed in doing.could 仅表示仅表
10、示 客观上有某种能力客观上有某种能力,不说明实施该能力后的结果不说明实施该能力后的结果.be able tobeen able toam able to/canhave been able tobe able to【知识微练】选词填空(can/could/be able to)。(1)I _ speak English and French,but I _ not speak Japanese.(2)He _ swim when he was five years old.(3)After years of hard work he _ win the prize.cancancouldwas
11、 able to2 have to 与与 must1.have to意为“不得不,必须”,后跟动词原形。*I have to finish this essay today,as we have to hand it in tomorrow.我今天得完成这篇论文,因为我们明天必须上交。2.have to与must的区别。(1)must强调说话者的主观意愿强调说话者的主观意愿;have to强调客观上的必要性。强调客观上的必要性。*Still we must climb and dream about whats at the top of our mountain.我们仍必须勇于攀登人生的巅峰
12、并憧憬美好未来。*I have to change the time for the lesson from morning to afternoon for some reasons.由于某些原因我不得不把上课时间由早晨改到下午。(2)mustnt 不许不许,不可以不可以,表示禁止表示禁止;not have to不必。不必。*You mustnt come back after a quarter past eight.*You dont have to worry about him.Hes a good swimmer.3 dare 与与 needI dare not go out al
13、one at night.Its quite warm here,we need not turn the heating on yet.You need to do it yourself.Most people hate Harry but they dont dare to say so.need 和和dare 既可作情态动词既可作情态动词,也可用作实义动词也可用作实义动词.情态动词主要用于否定和疑问句中情态动词主要用于否定和疑问句中.用作实义动词用作实义动词,可用于各种时态可用于各种时态.(1)用作情态动词*How dare he take my bicycle without eve
14、n asking!(2)用作实义动词*The children dont dare(to)make a sound while their parents are sleeping.dare作实义动词时作实义动词时,在否定句、疑问句中不定式符号在否定句、疑问句中不定式符号to也可以省略。也可以省略。【即学即用】语法填空。(1)I darent _(say)that.Dare you _(go)with me?(2)He didnt dare _(look)at her in the face.(3)You neednt _(talk)to anyone if you dont want to.
15、(4)Adults need _(live)their own lives and thats difficult with children.saygo(to)looktalkto live4 had betterWe had better _(get)there before it gets dark.You had better _(not talk)so loudly.had better 后跟动词原型,表示”最好做某事”,否定是”had better not”.【知识微练】(1)I see your point,but we still _ before making a decis
16、ion.我明白你的意思,但我们还是最好在做出决定之前仔细考虑一下。(2)You _ any experiments until your glasses have been repaired.在你的眼镜修好之前,你最好不要做任何实验。had better think it overhad better not do/conduct/perform/carry outbe able to,had better,have to,need,dare1.-Did you have difficulty finding Anns house?-Not really,she had given us cl
17、ear direction and we _ find it easily.2.You _ write down her phone number before you forget it.3.I hardly _speak.”Remember what?”4.Ive ordered some pizza,so we _ not worry about cooking when we get home tired.5.We dont give the students any breaks.They _ do it just like NASA engineers.Read and match
18、 the comments to the pictures.1c 2a 3d 4bUnderline the words that describe food in the activity and put them into the table.Add any more you can think of.shinylargeroundpinktinyfreshburnt thick bright colourfulfishy stinky fragrant pungentsmokyspicybittersweetFruity sour hot saltytendersoftjuicycold
19、stickysmoothcreamy crispy hard chewy1.give it that famous smoky flavour有一股极好的烟熏味e with a shiny sauce配有一种闪闪发光的酱汁3.look slightly pink inside里面透出点淡粉色4.incredibly soft and juicy极其柔软多汁5.melt in the mouth入口即化6.order a large vegetarian pizza点了一个大号的蔬菜比萨7.be served cold端上来是凉的8.taste bitter尝起来苦9.smell really
20、fishy闻起来带有腥味10.highly recommended强烈推荐 The sugar in soft drinks forms acid and attacks our teeth for about 20 minutes each time we drink them.About 30%of the worlds population is overweight.Did you know?Listen to the conversation and tick the food and drinks ordered.Listen again and complete the note.1.fat2.chemicals3.amount 4.soft drinks5.taste 6.harmfulA:Whats your favourite food?B:My favourite food is.A:How does it look/smell/taste/feel?B:It looks/smells/tastes/feelsWork in pairs.Talk about your favourite food using the words you have learnt.Save food and eat healthily!
