nowadays there are more and more advertisements on tv ,they appear either before a tv program or after it ,and sometimes even inserted between episodes of a tv serial plays,and the time of which is becoming longer and longer ,which is so boring ,and many watchers cannot wait but switch to other channels. but why this phenomenahas appeared ,the reason may be two .at the first place ,it is a methodforbusinessmen in such a highly competitive market to make their goods known by customers ,which will improve the sales amounts .
at the second place ,it is a chance for the tv station to earn money to support their programs .if i am given the chance to meet the leader of tv station ,i would like to suggest them decreasethe amounts of the advertisements relatively .maybe doing this will lose some profits, but instead,the audience rating will be improved largely.
only在句首要倒装的情况
时态一致的语法应用
一般现在时代替将来时的应用
as, though 引导的倒装句
其他部分倒装的情况
将来完成时的应用
将来进行时的应用
句子的种类
过去进行时的应用
否定词开头的部分倒装句的情况
现在完成时的定义
谓语动词与前面的主语一致的情况
现在进行时代替将来时
时态与时间状语
用助动词进行强调句类型
主谓一致中的靠近原则
短语动词的被动语态形式
主动形式表示被动意思的情况
不用进行时的动词
一般现在时代替进行时
so, neither, nor作部分倒装的情况
动词let的用法
主谓一致的概念
用现在进行时表示将来的用法
用一般过去时代替完成时的应用
be going to / will的区别
并列结构作主语时谓语用复数
不用被动语态的情况
强调句的结构
感叹句的结构
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