it has been +长度时间+ since+主语+谓语+宾语这里的谓语是过去式还是过去分词?
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ithasbeen+长度时间+since+主语+谓语+宾语这里的谓语是过去式还是过去分词?ithasbeen+长度时间+since+主语+谓语+宾语这里的谓语是过去式还是过去分词?ithasbeen+
it has been +长度时间+ since+主语+谓语+宾语这里的谓语是过去式还是过去分词?
it has been +长度时间+ since+主语+谓语+宾语这里的谓语是过去式还是过去分词?
it has been +长度时间+ since+主语+谓语+宾语这里的谓语是过去式还是过去分词?
视情况而定.it has been a long time since a serious war occurred in the western world.
it has been a long time since the technology has motivated us to make things.
谓语为过去式的多表示已经过去的,为过去分词的多表示还在持续进行的对现在还是如此的状态.一般中学考试多考虑为第一种.
过去式
过去式
since后面接的是过去式
过去式
过去式
It's has been accepted
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...
it has been +长度时间+ since+主语+谓语+宾语这里的谓语是过去式还是过去分词?
It's no use regretting what has been done.
It`s been a pleasure to talk to you.中 It`s 是It has 还是It is?
john____ it for two hours,and he`s still watching now 1.has been 2.watching 3.has been watching
it's been has been 麻烦告诉一下 been 的语法,一般用在哪里?怎么用?
it has been since.用法
It has been in my
it is/has been=
it has long been assumed
It's a long time since还是It has been a long time since
It's hot .The temperature___35 degrees A has been raised at B has risen to C has been risen forD has raised 答案为什么是B?raise at
It's been a pleasure knowing you.那个’s是has还是is还是was?
It's been awhile.
it's been coverd..