英语求助Has it been announced when the planes are to take off求句子成分分析
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英语求助Hasitbeenannouncedwhentheplanesaretotakeoff求句子成分分析英语求助Hasitbeenannouncedwhentheplanesaretotakeof
英语求助Has it been announced when the planes are to take off求句子成分分析
英语求助Has it been announced when the planes are to take off求句子成分分析
英语求助Has it been announced when the planes are to take off求句子成分分析
when前面为现在完成时的被动形式时疑问句,it 作为形式主语,announced 是动词(被动形式).when后面引导时间状语从句,planes主语,are to为“be to do ”句式,表“将要”.take off 动词组.整句为:飞机将要起飞的时候,它已经播报了吗?
英语求助Has it been announced when the planes are to take off求句子成分分析
it has been since.用法
It has been in my
it is/has been=
It's has been accepted
it has long been assumed
紧急求助英语,How long has this shopHow long has this shop________________?A.been open B.been opened请问大侠们选那个答案,请给出原因.
英语 完成时It has been raining for three hours.为什么要加been?加been不是表被动么?
英语中have been;has been是什么?
英语,has been和 had been
英语:为什么填has been
it's always been you(It has always been
it has been可以缩写成it's been
it's been.的全称是不是 it has been...
英语它已经树立在那里100多年了是it has been standing here for 100 years还是it has been stood here?
英语Has been to 和Has been in 怎么用?
这句英语怎么翻译it has so far of necessity been largely of empirical nature.
It has been made into a film turned out to be a success是什么意思?英语