Unit 5 語(yǔ)法精講：情態(tài)動(dòng)詞表愿望＆禁止或許可課件 高中英語(yǔ)人教版（2019）高一必修第三冊(cè)

情態(tài)動(dòng)詞表愿望語(yǔ)法精講用法11.will可用來(lái)表愿望，用于各種人稱(chēng)。表現(xiàn)在的愿望、意愿。例：I’dliketogototheparkwithyouifyouwilloffermelunch.IfyouwillwaitamomentI’llseewhetherMr.Johnisfree.情態(tài)動(dòng)詞表愿望（1）用法22.would也可用來(lái)表愿望，用于各種人稱(chēng)。通常表示過(guò)去的愿望、意愿。例：SheaskedmeifIwouldgowiththem.Wouldyourecommendthebooktohim?情態(tài)動(dòng)詞表愿望（2）表現(xiàn)在的愿望或意愿，語(yǔ)氣更委婉3.表愿望還可以用wouldliketo或wouldloveto，表示“想要；愿意”。用法3例：Iwouldliketohavedinnerwithmyfamilytonight.I’dlovetoplayfootballwithmyfriendsthisafternoon.情態(tài)動(dòng)詞表愿望（3）4.表愿望還可以用wouldrather，表示“情愿”。用法4例：Iwouldratherwaittilltomorrow.Iwouldrathersolvemyproblemsalone,whatevertheymaybe.情態(tài)動(dòng)詞表愿望（4）5.may也可以用來(lái)表愿望，但語(yǔ)氣較正式。用法5例：Maysheenjoyherlife!

Mayyoubothhaveagoodjourney!情態(tài)動(dòng)詞表愿望（5）1.Iwouldlike

(choose)theredpencil.解析：wouldliketo表示“想要；愿意”，用來(lái)表愿望、意愿。語(yǔ)法填空?？键c(diǎn)追擊tochoose2.Hesaidhe

(will)tryhisbesttohelpme.解析：would用來(lái)表過(guò)去的愿望、意愿。用于各種人稱(chēng)。would情態(tài)動(dòng)詞表許可或禁止語(yǔ)法精講典例分析表示現(xiàn)在或?qū)?lái)的許可用may或can，譯為“可以”。表示過(guò)去的一般的允許用could或might。例：Ican/maytakeadayoffwheneverIwant.OnSundayswecould/mightstayuplate.情態(tài)動(dòng)詞表許可典例分析1.可以用can’t、couldn’t或maynot。例：Youcan’tgoouttoplaynow.I’mafraidyoucouldn’tsithere.Youmaynotcomelatenextclass.情態(tài)動(dòng)詞表禁止（1）語(yǔ)氣較弱更委婉2.可以用shouldn’t“不應(yīng)該”，含有責(zé)備的意思。典例分析例：Youshouldn’tbesolazy.Youshouldn’tleavewithoutsayaword.情態(tài)動(dòng)詞表禁止（2）3.可以用mustn’t，翻譯為“禁止；千萬(wàn)別；不能”。典例分析例：Youmustn’tgoswimmingtoday.Youmustn’tdrivesofast.情態(tài)動(dòng)詞表禁止（3）語(yǔ)氣較強(qiáng)1.Shesaidthathe_______(can)usehercomputer.解析：表示過(guò)去的一般的允許用could。語(yǔ)法填空?？键c(diǎn)追擊could2.You