高中英语学习和考试中的热点词之一——while,一直是学生们的难点。掌握while的一种词性(连词)和四种句型(并列句、时间状语从句、让步状语从句和条件状语从句)对有效把握while的用法至关重要。以下是多年教学实践中对while的四种句型的归纳总结。一、充当并列连词while充当并列连词时,可引导并列句,表示前后两件事情的对比或相反情况,二者是对等的,目的是使形象更鲜明,感情更强烈,这时多译作“然而,而……”。英语中常见的but(相 One of the hot words in high school English learning and exams - while, has been a difficult part for students. It is important to grasp the use of while while one of the parts of speech (conjunction) and the four types of sentences (co-ordinate, temporal adverbial, concession clause, and conditional adverbial clause) The following is a multi-year teaching practice summary of the four sentences of while. First, as a conjunctive conjunction While acting as a conjunct, can guide the parallel sentence, said before and after the contrast between the two things or vice versa, the two are equal, the purpose is to make the image more vivid, more intense feelings, then more translation for “However, ... ”. Common in English but (phase