Xiao Ming took his cellphone to school and① played cellphone in class，so② his head teacher was very angry.He said to Xiao Ming，“Others are studying hard while③ you are playing hard.You either quit school or break the cellphone.④” Xiao Ming didn’t want to break his cellphone but⑤ he couldn’t quit school either.He thought to himself，“ Break it，or I will be dismissed.⑥” If he was dismissed，not only would his mother cry but also his father would give him a spanking①.
[规则感悟] ①and，not only...but (also)．..，both...and...，neither...nor...等表并列、顺承或递进关系。②for，so表因果关系。③while作为并列连词，强调两种情况的对比。④or，either...or...，not...but...等表选择关系。⑤but，yet，whereas等表转折关系。⑥and，or 表条件或结果关系，常用于句型“祈使句＋and/or＋陈述句”中。
上述所有连词在使用时，一定要注意连词所连接的成分都是同样的结构。如果连接单词则两边都是单词，如果连接句子则两边都是句子，如果连接短语则两边都是短语。不能出现一边是连接名词，另一边连接句子或动词短语等其他情况。如：
Not only can it help you improve your English，but also can help you find more friends.(×)
Not only can it help you improve your English，but also it can help you find more friends.(√)
1．not only...but also...连接的两个并列分句，可使用部分倒装，但只倒装not only 引导的分句。
Not only does she treat us with consideration but also she teaches in a humorous way.
她不但对我们体贴，而且还用一种幽默的方式教学。
