一、英语中有一些短语包含有介词 to,常见的有 look forward to、take to、be accustomed to、get around to、be used to 等,这些短语后面都要跟动名词,例如:He was looking forward to working with the new Prime Minister.take to 养成(做……)的习惯;开始定时(做……)They had taken to wandering through the streets arm-in-arm.He is accustomed to hard work. They didn't get around to typing up the letter. The experienced teacher is used to keeping his students at hard work. 二、若把代词 it 放在 to 后面可以形成一个意义完整的句子,那么这个 to 就是介词,后面必须跟动名词,否则这个 to 就是不定式,后面要跟动词原形,例如:1、look forward to 当把 it 放在 look forward to 后面 look forward to it,可以意为“期待它”,很明显这是一个有意义的句子。2、hope to 当把 it 放在 hope to 后面 hope to it,意为“希望它”,很明显这个句子意义不完整。
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