all修飾that.
that為主語.所以用HAS.
that本來就是一個代表單數(shù)的代詞.如果要用復(fù)數(shù)的代詞的話那只能是those
that的復(fù)數(shù)就是those了.
明白么?
Has all that can be done been done?
Has all that can be done been done?
為什么用HAS 不用 HAVE
PEOPLE也是整體,動詞用復(fù)數(shù)
先換成陳述句=all that can be done has been done
主語=all
定語=that can be done
謂語=has been done(被動)
轉(zhuǎn)換成簡單的主句=all has been done
all 作為一個整體,集合名詞所以用單數(shù)
我的意思是為什么用HAS 不用 HAVE
PEOPLE也是整體,動詞用復(fù)數(shù)
that為主語的話,無論that指的是單數(shù)還是復(fù)數(shù),謂語動詞都要用單數(shù)?
為什么用HAS 不用 HAVE
PEOPLE也是整體,動詞用復(fù)數(shù)
先換成陳述句=all that can be done has been done
主語=all
定語=that can be done
謂語=has been done(被動)
轉(zhuǎn)換成簡單的主句=all has been done
all 作為一個整體,集合名詞所以用單數(shù)
我的意思是為什么用HAS 不用 HAVE
PEOPLE也是整體,動詞用復(fù)數(shù)
that為主語的話,無論that指的是單數(shù)還是復(fù)數(shù),謂語動詞都要用單數(shù)?
英語人氣:167 ℃時間:2020-03-18 05:57:38
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