问几个句子to的用法1、They may buy it to try to become rich.2、The nove

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问几个句子to的用法
1、They may buy it to try to become rich.
2、The novel is too long for us to finish reading it this week.
3、Recently to my surprise,my research project was selected by my Biology Department to be submitted to the Siemens Westinghouse Science Competition;mine was the only biology project to be sent from my school.
第1句的try 和第2句的finish 前面的to 可以省略吗?
to前面是代词,代词后面不能直接加动词吗?
第3句的“Recently to my surprise”应该怎样翻译?
“to be submitted”和“ to be sent”为什么要在to后面加be,可以省略吗?

1中不可省.to do 在这里固定结构表目的
2中也不可省.构成too…to 表：“太过怎样以至于不能怎么养”
3中翻译成：最近令我吃惊的是……
不能省略.因为是我的研究论文[被]呈递给“西门子……”
这里be sent表被动

问几个句子to的用法1、They may buy it to try to become rich.2、The nove If you_ it ,I will lend the nove to you. 问几个句子的be用法1,Will this be your first visit?2,It'll have to be Try not to buy too many things from abroad.It may ___ a lot 1 Try to buy one before all the books_____. the it to用法 He was rich enough to buy the whole small town. 几个非谓语句子do you consider it any good____again?a.to try b.try c try to do 和try to doing sth的用法? 问几个关于英语单词,①try doing与try to do的区别②one...the other,one...anot The book is so helpful that I want to buy it.that的用法?什么成分? Try to do it.