it's been found in laboratory testing that some types of oils are really bad for us.的句子结构

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it''sbeenfoundinlaboratorytestingthatsometypesofoilsarereallybadforus.的句子结构it''sbeenfoundinlaboratoryt

it's been found in laboratory testing that some types of oils are really bad for us.的句子结构
it's been found in laboratory testing that some types of oils are really bad for us.的句子结构

it's been found in laboratory testing that some types of oils are really bad for us.的句子结构
主语从句,句子主干为:it's been found that oils are bad.即:研究发现有些油对人们有害.
That后面是句子的实际主语,可以看出主语很长,从而用这种后置的结构是避免句子头重脚轻.
其他都是句子的次要成分.in laboratory testing意为“在实验室测验中”.

主语从句
(that some types of oils are really bad for us)即为it 指代的成分
主句就是简单被动句 it's been found.

it's been found in laboratory testing that some types of oils are really bad for us.的句子结构 Actually,did you know that it’s been found in laboratory testing that some types of oil arereally bad for us 分析这句话 It's been found in laboratory testing that some types of oil are bad for us?如何分析此句?THAT 是不是引导的同位语从句? it's a nice car._____ have been in it I want to let a person envy of love, it's a pity that have not been found in一个逗比朋友发的,求意思I want to let a person envy of love, it's a pity that have not been found in her life, perhaps is the fate not to! If you see understand, pe 定语从句的关系代词that指代内容有句话:It’s been found in laboratory testing that some oil is bad for us.中为什么不能用what呢?(还有那个It’s been found 中的’s的展开形式是什么啊?) a debugger has been found running in your system.please,unload it from memo a debugger has been found running inA debugger has been found running in your system please unload it from memory and restar t your program是什么意思 The watch l lost yesterday in the desh 为什么填has been found?空在in前 It's+been+in+Boston+for+over+250+years. find it hard 和find it hardly那个对?原句是这样的:l found it (hard).at last ,I found it in the kitchen. It's been awhile. it's been coverd.. 英语翻译Actually,don't you know that it's been found in laboratory testing that some types of oil are really bad for us?这句话如何翻译啊? did you know that it's been found in laboratory testing that some types of oil are reallybad foir us?我想问,第一个that启什么作用,第二个that又是什么意思,什么作用 did you konw that it's been found in laboratory testing thta some types ofoil are really bad for us?在这里 laboratory testing . test 是动名词 是吗. 那可以换成名词性的 test 吗.谢谢,我觉得可以? It's been found in laboratory testing that some types of oil are bad for us?如何分析此句?THAT 是不是引导的同位语从句?作testing的同位语? 雅思 经典 summary 、Hidden history:the beetle's secret cycle of lifeThe deathwatch beetle is thought of as the devil's pest in churches and old houses,but in natural habitats it infests a wide range of decaying hardwoods.It has been found in hor