初級(jí)英語(yǔ)語(yǔ)法第15講--情態(tài)動(dòng)詞與不規(guī)則動(dòng)詞王衡英語(yǔ)小升初英語(yǔ)四輪復(fù)習(xí)法.ppt

1 情態(tài)動(dòng)詞是用于表示說(shuō)話人的情緒,態(tài)度 或語(yǔ)氣。不能單獨(dú)用, 只能和其他動(dòng)詞 原形一起使用。 2 He can do that They can do that Can he do that? Can they do that? He can not do that They can not do that 3 情 態(tài) 動(dòng) 詞 can 講 解 1. can，“能、會(huì)”，表示“能力” 例： 我會(huì)/能講英語(yǔ)。 I can speak English. 我會(huì)唱歌。 她會(huì)唱歌。 I can sing. She can sing. 2. can，“可以”，表示“許可” 例： 你現(xiàn)在可以回家了。 You can go home now. 你可以用這本書。 You can use this book. 4 情 態(tài) 動(dòng) 詞 can 講 解 3.情態(tài)動(dòng)詞沒(méi)有 “單三”變化，并且后面的 動(dòng)詞永遠(yuǎn)用原形。 例： I can climb the tree. He can climb the tree. They can climb the tree. 5 情 態(tài) 動(dòng) 詞 can 講 解 4. can 的句型結(jié)構(gòu) 陳述句結(jié)構(gòu)：主語(yǔ)+can+動(dòng)詞原形+其他 否定句結(jié)構(gòu)：主語(yǔ)+cant+動(dòng)詞原形+其他 疑問(wèn)句結(jié)構(gòu)：Can+主語(yǔ)+動(dòng)詞原形+其他+? 疑問(wèn)句回答：Yes,主語(yǔ)+can. No, 主語(yǔ)+cant 注意：can not = cant 例： He can swim in the Yellow River. He cant swim in the Yellow River. Can he swim in the Yellow River? Yes, he can. No, he cant. 6 情 態(tài) 動(dòng) 詞 can 講 解 練習(xí)： He _(can play) basketball.(填空) Mr. Wang can teach English.(變否定句) Xiao ming can make a cake.(變疑問(wèn)句) Can she fly in the sky.(給出肯定和否定回答) 7 情 態(tài) 動(dòng) 詞 may 講 解 1.表示許可或征求對(duì)方的許可，有“可以”的意思 。 例如： You may go now. 你可以走了。 May I use your computer? 我用一下你的 電腦可以嗎？ 8 情 態(tài) 動(dòng) 詞 may 講 解 2.may 的句型 陳述句：主語(yǔ)+may+動(dòng)詞原形+其他 否定句：主語(yǔ)+may+not+動(dòng)詞原形+其他 疑問(wèn)句：May+主語(yǔ)+動(dòng)詞原形+其他+？ 回答：Yes, 主語(yǔ)+may. No, 主語(yǔ)+cant. 注意：用may提問(wèn)時(shí)，肯定回答可以用may 和can，否定回答用cant 9 情 態(tài) 動(dòng) 詞 must 講 解 1.must “必須”，語(yǔ)氣非常強(qiáng)烈，含有命令語(yǔ)氣 例： 你必須早起。 You must get up early. 你必須8點(diǎn)到學(xué)校。 You must go to school at 8. 2.must not=mustnt “禁止”、“不允許”， Children mustnt play on the road. Its very dangerous. 孩子們不允許在路上玩耍，這樣非常危險(xiǎn)。 10 情 態(tài) 動(dòng) 詞 must 講 解 3.must 的句型結(jié)構(gòu)： 陳述句：主語(yǔ)+must + 動(dòng)詞原形+其他 否定句：主語(yǔ)+mustnt+動(dòng)詞原形+其他 疑問(wèn)句：Must + 主語(yǔ)+動(dòng)詞原形+其他+？ 回答： Yes, 主語(yǔ)+must. No, 主語(yǔ)+neednt. 例子： He must be a teacher. 他一定是個(gè)老師。 Must I go home now？ 我現(xiàn)在必須回家嗎？ Yes，you must. 是的，你必須回家。 No，you neednt. 不，你不必。 11 情態(tài)動(dòng)詞練習(xí) 1. Look, it _ be Mr Zhang. No, it _ be him. He has gone abroad. A. may; mustnt B. must; may not C. must; cantD. can; may not 2. Danny _ go with us tonight，but he isnt very sure yet. A. mustB. may C. can D. will 3. _ I take the newspaper away? No, you mustnt. You _ read it only here. A. Must; can B. May; can C. Need; must D. Must; must 4. The children _ play football on the road. A. neednt B. can C. mustnt D. must 12 情態(tài)動(dòng)詞練習(xí) 5. Must I do my homework at once? No, you _. A. needntB. mustnt C. cant D. may not 6. Theres no light on. They _ be at home. A. cantB. mustnt C. needntD. shouldnt 13 5、小學(xué)動(dòng)詞動(dòng)詞 不規(guī)則變規(guī)則變 化 無(wú)法無(wú)天只變單變單 元音 am/is-was are-were do-did have-had learn-learnt see-saw go-went spend-spent eat-ate meet-met say-said fly-flew bend-bent bite-bit hear heard leave-left make-made pay-paid send-sent run-ran sit-sat sing-sang drink-drank come-came swim-swam throw-threw become-became give-gave begin-began drive-drove draw-drew know-knew run-ran fall-fell forget forgot get-got ride-rode rise-rose sing-sang aught 和 ought變變成“o”了 teach-taught catch- caught think- thought buy-bought stand-stood take-took get-got write- wrote ride-rode tell-told speak-spoke wake-woke 去 “e” 加 “t”永遠(yuǎn)遠(yuǎn)不變變 sleep-slept feel-felt sweep-swept keep-kept let put read cut hit hurt spread 14 小學(xué)不規(guī)則動(dòng)詞總結(jié) 1、直接+d： agree, bake, believe, close，dance , exercise, like, live, type, welcome 2、改 y 為 I 加 ed： carry, cry, marry, study, try, worry 3、雙寫輔音字母： chat ，stop 4、有兩種變化形式的： learn learned / learnt travel-traveled / travelled 5、不變的： hit-hit put-put cut-cut hurt-hurt read-read let-let spread-spread 15 小學(xué)不規(guī)則動(dòng)詞總結(jié) 6、特殊變化 16 不規(guī)則動(dòng)詞總結(jié) 不規(guī)則變化： become-became begin-began forget -forgot, ride- rode bend-bent, bite-bit , buy ，catch ，come, sit-sat choose-chose ， do-did draw-drew drink-drank drive-drove eat-ate fall-fell fly-flew pay-paid run-ran get-got give-gave go-went have/has-had hear heard rise-rose know-knew leave-left