比较:whether与if 均为"是否引导名词性从句的连接词可分为三类: 连接词:that,whether,if 不充当从句的任何成分) 连接代词:what, whatever, who, whoever, whom, whose, which. 连接副词:when, where, how, why 不可省略的连词: 1. 介词后的连词 2. 引导主语从句和同位语从句的连词不可省略。 That she was chosen made us very happy. We heard the news that our team had won. "的意思。但在下列情况下, whether 不能被if 取代: 1. whether引导主语从句并在句首 2. 引导表语从句 3. whether从句作介词宾语 4. 从句后有"or not" Whether he will come is not clear. 大部分连接词引导的主语从句都可以置于句末,用 it充当形式主语。 It is not important who will go. It is still unknown which team will win the match.
吵架时,助你一臂之力的英文
旅游过度开发对环境有害 Over Tourism Brings Harm to the Environment
Motorcar a Boon or a Menace 不错的一篇考研英语作文
英文求职信范文English Letter of Job Application
My View on Distant Education
英文感谢信格式及范文Letter of Thanks
女大学生找工作难的问题Female University Students is Difficult Finding Jobs
大学生炒股的英语作文College Students,out of Stock Market,Ple
爱的火焰(The flame of love)
关于第一次约会
国际英语资讯:One killed, 11 injured after elephant goes berserk in Sri Lanka
关于聘请外籍教师Hiring Foreign Teachers
网络经济Net Economy
考试缺贬诚信作弊问题The problems of Cheating On Exams
关于向朋友介绍高考试题的情况
Abortion Should Be Banned
百看不厌的美剧
My View on Credit Card Consumption
交通方式 Means of Transportation
关于大学生逃课现象的英语作文Students Truancy