Major efforts have been made to promote technological entrep

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Major efforts have been made to promote technological entrepreneurship.
我对have,been,made的关联不清楚,一定不是have been+v过分.是不是这样：是be made表被动,说明很大努力被作出,而have是表示一个完成的时态,be也得变成过分,至于to到底是个介词,指出所指对象.还是一个动词不定式?
正着说能不能这样:Promoting technological entrepreneurship have made major efforts.

1.been made是被动,前面加完成时.
2.to在这里不是介词,因为介词后面不能接动词原形,只能接名词、代词或者动名词等.这里是动词不定时,在句中作状语补充说明make efforts的目的.
3.不能像lz那样说.原句是一个被动句且省略了动作发出的主体.应该说成,We/They/The government/或者别的什么人 have made major effors to promote technological entrepreneurship.

Major efforts have been made to promote technological entrep In recent years,great efforts have been made to increase the 英语翻译the efforts that have been made to explain optical pheno 英语翻译Futher efforts have been made to find out about Yetis,bu Their efforts to improve the production have been very _____ What have been the main effects of technological development 英语翻译In soite of numerous efforts,we have been unable to trac His efforts to improve the sales of this product have been v There have been efforts in the magazine industry to buck the "we have been made to fell very welcome"如何翻译? to be made和to have been made有什么区别 to achieve the goals,efforts should be made to enhance,----,