1.Not only did the prices increase,but their wages were raised as well.
2.Not until a week later did he receive the letter.
上面兩句,是所謂的不完全倒裝,即用疑問句的形式來完成,不是說一定要用did,如果原句中有其它助動詞或情態(tài)動詞或be動詞,就將助動詞按疑問句的形式提前.
Not only does the sun give us light but also it gives us heat.
Not only did he speak English correctly,but also he speaks it fluently.
Not only is this young man clever but also he is hardworking
還有,表祝愿的句子,原型是什么?
Long live Chairman Mao!
理解為：Chairman Mao live long.那要是給別人講，怎么引入這個did或is的概念呢？比如Not only does the sun give us light but also it gives us heat.這句，是因為有gave這個詞嗎？簡單地說，就是按照改疑問句的形式來完成倒裝句的。句中有be動詞，就將be動詞提前，有其它助動詞，就將其它助詞詞提前，沒有的話，就按時態(tài)（需要），加do/does/did。