Question

帮我讲讲这两句英语语法谢谢！

3.There are so many reference books on this romantic poet for me to choose from that I can't make up my mind which to choose.有那么多关于这位浪漫诗人的参考书可供选择，我无法决定选择哪一本。

4.It seemed that the handsome actor was not a bit worried，but in fact，he was not a little concerned about the result of the investigation，which may destroy his bright future.这名帅气的演员似乎一点也不着急，事实上他非常担心调查结果，因为这也许会毁了他的光明前途。

Answer 1

第一句：There are so many reference books( 1(on this romantic poet )2(for me to choose from ))that I can't make up my mind which 3(to choose).首先这是一个There be句型，其次这是一个so many...that...句型。括号1和2都是定语，修饰books.括号3也是定语，修饰which.然后括号2里面是一个倒装，fromm后面应该接宾语books，但books已经是there are的宾语，所以括号2只能把books倒装到前面。
第二句：
主要是定语从句，而且是非限定性定语从句。which may destroy his bright future是定语，用来修饰investigation。