Question

观察下列句子，试着归纳其画线部分所包含的句型结构。

1．…,but in fact,3500 years ago, some recipes recommended drinking a tea made from the dried leaves of a particular plant to reduce body pains．

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2．Not only has aspirin saved many people’s lives by reducing fever and helping stop pain, but there are also other things that aspirin can help with．

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3．However, it was not until World War Ⅱ that two other scientists, Howard Florey(Australian)and Ernst Chain(German-born English),managed to use new chemical techniques to purify it．

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Answer 1

答案：
解析：

1．recommend＋doing建议某人干什么 　　2．not only．…but also不但……而且……，not only放于句首时，由其引导的句子要用倒装。 　　3．It was…that…为强调句型。