作业帮it has been a long time since+?since后面加什么形式?
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it has been a long time since+?since后面加什么形式?
it has been a long time since+?since后面加什么形式?
it has been a long time since+?since后面加什么形式?
since加从句 ,时态用过去式
这是一个固定的句式,意思是：什么事情发生已经多少时间了
it is/was (或完成时） +一段时间+ since+从句
since后面接一般过去时的句子或表示过去的时间。 如：It has been a long time since we met last time.It has been a long time since 2001.
since加时间点
for加时间段
跟过去的时间点，如：since 2011.
跟一般过去时的从句。
it has long been assumed
It has been a long time.Are you ok?
it has been a long time. what is up
It's a long time since还是It has been a long time since
it been a long time.中的“been”,为什么用这个错了。it't been a long time.
IT has been a long time since you dropped in---- 反义疑问句为何要说 hasn't it 而不说 didn't you
it has long been known that
It has been announced that it won't be long before our conutry------- an unmanned spaceship to explore the moon.A sends up B will send up
It's been a long
it's been a long
请问有首英文歌曲,歌词有句是honey,it has been a long time,……long long time 叫什么?
It has a long neck .
It has been a long time since we last wrote to each other.
it has been a long time since+?since后面加什么形式?
It’s has been quite a long time我想说好久不见 正确的应该怎么写
it has been the case for a long time that...这句话正确吗?
It has been proven that information technology can give a firma long-lasting competitive advantage
How long is it since he () his hometown?He () for nearly 10 years.A left;left Bhas left ;has leftChas left ;has been left Dleft ;has been left