2022年初三英语 .pdf
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1、优秀学习资料欢迎下载教育学科教师辅导教案学员编号:年级:课 时 数: 3 学员姓名: YYY辅导科目:英语学科教师: XX 课题动词分类及词形变化讲解;动词用法辨析教学目的1.掌握动词的基本类型,各类动词特点2.掌握动词变化形式,了解语法构成3.具备中考涉及动词用法辨析能力授课日期年月日教学内容Step 1 动词分类及词形变化讲解1、动词的分类:类 别意义例句实义动词含有实在的意义, 表示动作或状态,在句子中能独立作谓语。She has some bananas. 她吃些香蕉。They eat a lot of potatoes. 他们常 吃土豆。I m reading an English
2、book now. 我现在正 看一本英文书。连系动词本身有一定的词义,但不能独立作谓语,必须和表语一起构成谓语。His father is a teacher.他父亲 是 教师。Twins usually look the same. 双胞胎通常 看起来 一样。The teacher became very angry.老师变得很生气。助动词本身没有词义,不能独立作谓语,只能和主要动词一起构成谓语动词,用来表示否定、疑问、时态、语态或其它语法形式,助动词自身有人称、单复数和时态的变化。He doesn t speak English. 他不说英语。We are playing basketba
3、ll. 我们在打篮球。Do you have a brother? 你有兄弟吗?情态动词本身有一定的意义,不能独立作谓语,只能和主要动词一起构成谓语动词,表示说话人的语气和情态。情态动词没有人称和单复数的变化,有些情态动词有过去式。You can keep the books for two weeks. 这些书你 可以 借两个星期。May I smoke here? 我可以 在这儿抽烟吗?We must go now. 我们现在 得走了。重要注解:( 1)关于实义动词: 英语的 实义动词 又可分为 及物动词 和不及物动词 两大类:后面必须跟宾语意义才完整的叫及物动词;本身意义完整,后面不需跟
4、宾语的叫不及物动词。 有些动词通常只作不及物动词。如:go,come,happen,lie,listen,rise,arrive,hall 等。有些动词通常用作及物动词。如:say, raise, lay, find, buy等。 大多数动词可以兼作及物动词和不及物动词。如:study, sing等。 有些动词作及物动词与作不及物动词时的意义有所不同。如:know, wash等。精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页,共 15 页优秀学习资料欢迎下载 有些动词常和介词、副词或其它词类一起构成固定词组,形成短语动词。如: listen
5、,reply,wait,look . ( 2)关于连系动词:连系动词用来连接主语和表语,连系动词后面常为形容词。常见的连系动词有:be、become、look、feel、sound、smell、taste、seem、turn、grow、get、go、fall、sit、stand、lie 等。有些连系动词来源于实义动词,意思也跟着变化:look(看看起来) 、 feel(感觉、摸感到) 、smell(闻、嗅闻起来) 、taste (尝尝起来) 、 turn(翻转、转动变得) 、grow(生长变得) 、get(得到、到达变得) 、go(去变得) ,所不同的是,作为实义动词时,后面不能跟形容词。注释
6、 become、get、go、be、grow、turn 的用法区别 :become表示“变成” ,比较正式,通常不用将来时表示动作已经完成。 get 也表示动作已经完成,但是更加口语化,通常表示温度、时间、岁数等变化。go 表示“变得” ,常见于某些短语中,后面常有形容词bad、blind、hungry 等。 be表示“是、成为、当” ,多用于将来时、祈使句或不定式中。grow 表示“变得” ,常指逐渐的变化,表示身高、岁数的增长。turn 表示“变得”,指变为与原先不同的情况,通常指颜色等变化。如:I was caught in the rain and I became ill./ He
7、has got rich./ He will be a scientist in the future./ My little brother has grown much taller in the past year./ The sandwich has gone bad./ Her face turned red after her mother criticized(批评)her. ( 3)关于助动词:常见的 助动词 有:用于进行时和被动语态的be(am, is, are ,was, were, been, being);用于完成时的have(has, had, having);用于将
8、来时的shall(should);will(would)和用于一般时的do(does, did).助动词 必须同主语的人称和数一致,也就是说因主语人称、数的不同而采用不同的形式,其中有些助动词也可作情态动词。如:shall, will, should, would.( 4)关于情态动词:常见的 情态动词 有: can (could),may (might), must ,shall (should), will (would), dare (dared), need等,另外, have to、had better也当作情态动词使用。情态动词后面必须加动词的原形。can 表示体力、脑力方面的能力
9、或客观的可能性。口语中,在询问或说明一件事可不可以做时,常用“can”代替“ may” 。情态动词“ can”的过去式是“could” ,否定式是“ cannot”通常缩写成“cant” , “could”的否定式是“could not” ,通常缩写成“couldnt” 。如: Can I help you?/ He can swim./ That cant be Mr Li . may 表示允许、请求或可能性,用may提问时,肯定回答一般用Certainly 或 Yes, you may 。否定回答一般用cant或 mustnt. 如: May I ask you a question?Ce
10、rtainly. / You may go now. / It may be in your pocket . must表示“必须”、 “一定” 的意思。 表示“必须” 时否定形式是mustnt;表示“一定” 时,否定形式是 “cant”如: We must be very careful when we cross the road/ It must be Jack./ I haven t seen Kate today. She cant be here. 注意 用 must(必须)进行提问时,肯定回答用must,否定回答用neednt;用 must(一定)进行提问时,肯定回答仍用 mus
11、t, 但是否定回答用cant. 如: Must we clean the room before we leave? Yes,you must.或 No, you needn t. / Must she be in the romm? Yes,she must. 或 No,she can t. “have to ”表示“不得不” 、 “必须”。We ll have to leave now for it is very late at night . have to的疑问形式是:助动词have to,否定形式是:助动词nothave to或者用 neednt.如:Do you have to
12、stay until 8 o clock? / You don t have to do so.(=You needn t do so.) shall 在问句中,可表示征求对方意见,与第一人称连用;在陈述句的第二、三人称的主语后或表示“命令”、“警告”、 “允许”等。如:Shall we go to the zoo this weekend?/ He shall bring his own book next time. should可表示“劝告” 、 “建议”、 “惊奇”等意思。We should speak to old people politely. will 表示“意愿”、 “决心”
13、 等意思, 一般与第二人称连用。如:Will you please close the door for me?/ I will teach you a lesson . would表示过去的“意愿” 、 “决心”等。He would sit near the fire every time he returned home . would 也可以表示现在的情况,表达说话人向对方提出的要求,语气比“will”婉转、客气。在日常会话中,“我想要” 通常用 “I would like to”或“I should(I d)like to”来表示。 如:Would you like to have a
14、 rest at the moment ? 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页,共 15 页优秀学习资料欢迎下载would 还可以表示过去经常发生的事情。如:Every year parents would tell their children about the boy who would save his people. need表示“需要” ,用于疑问句或否定句。“need”作实义动词时,在肯定、否定、疑问句中都可以用。如:He neednt do it in such a hurry. (他不需要如此匆忙地做这件事)/
15、 He needs some help. (他需要一些帮助)/ He doesn t need to bring his football socks then .(那么他就无须带上足球袜了) dare 是“敢”的意思,用法几乎与“need”完全相同,即在疑问句和否定句中,可以作情态动词,后面用不带“to”的动词不定式。 在肯定句中和实义动词一样,后面的动词不定式要带“to” 。How dare you say I am a fool? / He didn t dare to touch the red button . d better(do)( “最好是”)一般也当作情态动词使用,否定式是
16、: d better not (do). 如:Youd better sit here and say nothing./ You d better not speak because he is sleeping. 2、动词词形变化一览表:( 1)规则动词变化表:规则变化原形动词结尾情况现在时单三人称现 在 分 词过去式和过去分词一般情况s ing ed s,x,ch,sh,o结尾es ing ed 辅音字母 y 结尾yi,es ing yi,ed 重读闭音节一元一辅结尾s 双写辅音字母 , ing双写辅音字母,ed不发音的e 结尾s 去掉 e,ingd ie 结尾s iey,ing d 不
17、规则变化havehas;beis (无)(见不规则动词变化表)注意:在加ing 或 ed 时动词如果以“r”结尾 ,尾音节又重读的动词,“r”应双写。s/es的读音规则:在清辅音后读s;在浊辅音后和元音后读z;在 s 、 F、z、tF、dV后读 iz. ed 的读音规则:在清辅音后读t;在浊辅音后和元音后读d;在 t、d后读 id. ( 2)不规则动词变化表: ( 原形 过去式 过去分词)be(am,is)was been lose lost lost be(are)were been make made made beatbeat beaten may might becomebecame
18、become mean meant meant begin began begun meet met met blow blew blown mistake mistook mistaken break broke broken must must bring brought brought pay paid paid build built built put put put buy bought bought read read Read can could ride rode ridden catch caught caught ring rang rung choose chose c
19、hosen rise rose risen come came come run ran run cost cost cost say said said 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 3 页,共 15 页优秀学习资料欢迎下载cut cut cut see saw seen dig dug dug sell sold sold do did done send sent sent draw drew drawn set set set drink drank drunk shall should drive drove drive
20、n shine shone shone eat ate eaten show showed shown fall fell fallen shut shut shut feel felt felt sing sang sung find found found sink sank/sunk sunk/sunken fly flew flown sit set set forget forgot forgot/forgotten sleep slept slept freeze froze frozen smell smelt smelt get got got speak spoke spok
21、en give gave given spend spent spent go went gone spill spilt spilt grow grew grown spoil spoilt spoilt hang hung/hanged hung/hanged stand stood stood have(has)had had sweep swept swept hear heard heard swim swam swum hide hid hidden take took taken hit hit hit teach taught taught hold held held tel
22、l told told hurt hurt hurt think thought thought keep kept kept throw threw thrown know knew known understand understood understood lay laid laid wake woke/waked woken/waked learn learnt/learned learnt/learned wear wore worn leave left left will would lend lent lent win won won let let let write wro
23、te witten lie lay lain 3、be 动词的各种时态变化一 般 现 在 时一 般 将 来 时现 在 完 成 时I am .You are.He/She/It is.We/You/They are.(I 等各人称)will be.I am He/She/It is going to beWe/You/They are I have been.You have been.She/he/It has been.We/You/They have been.一 般 过 去 时过 去 将 来 时过 去 完 成 时精选学习资料 - - - - - - - - - 名师归纳总结 - - -
24、- - - -第 4 页,共 15 页优秀学习资料欢迎下载I was .You were. He/She/It was.We/You/They were.(I 等各人称)would be.I was He/She/It was going to be We/You/They were I had been.You had been .She/he/It had been.We/You/They had been.注意: 句型变化时,否定句在am /is /are /will /have /has /was /were /had /would 后面加 not,而且 not 都可以缩写为n t (
25、am 后面 not 不可以缩写) ;疑问句将 am /is /are /will /have /has /was /were /had /would 提前到句首。4、其它谓语动词(主动语态)的时态变化现在时态一 般 现 在 时现 在 进 行 时一 般 将 来 时现 在 完 成 时谓语动词构成动词用原形(单三加 s / es )(问句和否定句借 用 助 词do / does )am is 动 词-ing arewill 动词原形am is going to动词原形arehave 过去分词has过去时态一 般 过 去 时过 去 进 行 时过 去 将 来 时过 去 完 成 时谓语动词构成动词用过去式
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