关于It is /has been +时间 since +过去时 表达两种意思的问题
1个回答
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It
is
/has
been
+时间
since
+过去时
两种圆陆升用法其实是橘老一样的，用is陈述情况，用has
been
强调从。。。起到现悉唯在的时间长度
It
is
three
years
since
I
began
to
learn
English.=It
has
been
three
years
since
I
began
to
learn
English
is
/has
been
+时间
since
+过去时
两种圆陆升用法其实是橘老一样的，用is陈述情况，用has
been
强调从。。。起到现悉唯在的时间长度
It
is
three
years
since
I
began
to
learn
English.=It
has
been
three
years
since
I
began
to
learn
English
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