初三英語(yǔ)上冊(cè)知識(shí)點(diǎn)：動(dòng)詞不定式(完整版)
【正文】 m / is/are +及物動(dòng)詞的過(guò)去分詞+by+執(zhí)行者 一般過(guò)去時(shí)：承受者+助動(dòng)詞was / were +及物動(dòng)詞的過(guò)去分詞+by+執(zhí)行者 承受者+助動(dòng)詞shall / will be+及物動(dòng)詞的過(guò)去分詞+by+執(zhí)行者 承受者+助動(dòng)詞 have/ has been+及物動(dòng)詞的過(guò)去分詞+by+執(zhí)行者 承受者+ can /may/must/should +be+及物動(dòng)詞的過(guò)去分詞+by+執(zhí)行者 被動(dòng)語(yǔ)態(tài)用法： 1）當(dāng)我們不知道動(dòng)作的執(zhí)行者是誰(shuí)，或者沒(méi)有必要指出動(dòng)作的執(zhí)行者時(shí)，需用被動(dòng)語(yǔ)態(tài)?！ ∑? 動(dòng)詞不定式作主語(yǔ) To give is better than to receive. To reach there on foot is impossible. 動(dòng)詞不定式作主語(yǔ)時(shí)，可以用it 代替，把實(shí)際主語(yǔ)不定式放在后面。（說(shuō)明他下樓時(shí)的情景） 五. 動(dòng)詞不定式作狀語(yǔ) Later he left home to work in different cities. 不久他離開(kāi)家到不同的城市工作。 I want both of you to go. 我要你們倆去?！ e hope to get there before dark. 我們希望天黑以前到那兒?！ he girl decided to do it herself. 那個(gè)姑娘決定自己做那件事?！ e helped her (to) repair her bike. 我們幫助她修理自行車(chē)?！ e went to see a football match. 他去看足球比賽了?！ t’s better to give than to receive. It’s impossible to reach there on foot. It’s + adj + for sb. to do sth. It’s not difficult for me to study English well. It’s easy for him to work out this math problem. 在這個(gè)句型中，如果形容詞與不定式的邏輯主語(yǔ)
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