一、作主语例:To persevere means victory.不定式作主语时,常常用代词it来代替,而常把它移到句子后部去,这样句子显得比较平稳。二、作宾语例:I wish to be a college student.有的及物动词要求跟复合宾语(宾语+宾语补足语)。如果其中的宾语是不定式短语,则必须将形 First, the subject example: To persevere means victory. Infinitives as the subject, it is often used instead of pronoun it, and often move it to the back of the sentence, so that the sentence appears to be relatively stable. Second, the guest example Example: I wish to be a college student. Some transitive verb requirements and composite object (object + object complement language). If the object is an infinitive phrase, it must be shaped