求英语高手翻译个论文的引言 急! 感谢

Infinitive use of flexible and diverse, that you understand » Some of the verb phrase or behind the infinitive can then can move to the term, its usage bearing in mind the distinction between whether you have in mind » Infinitive not called and several changes in the sentence can not be independent for the predicate. But the term has Infinitive, adjectives and adverbs characteristics, in the sentence can be subject, object, object complement language, phrase Biaoyu and adverbial, and other ingredients. In addition, a verb Infinitive characteristics, can have their own object and adverbial form Infinitive phrase. Infinitive form of recognition is to + do; its negative form is not to + do. Infinitive widely, and in the sentence plays a very active role in the project is the focus of grammar and difficult, learn to use Infinitive can The right to the spoken and written exchanges. Here, I only use this thesis, simply talk about the three years of study, I use the verb form o