Dan Robinson has been worried all week.这里为什么有been,那was或者is之类怎么不行?

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Dan Robinson has been worried all week.这里为什么有been,那was或者is之类怎么不行?

Dan Robinson has been worried all week.这里为什么有been,那was或者is之类怎么不行?
Dan Robinson has been worried all week.这里为什么有been,那was或者is之类怎么不行?

Dan Robinson has been worried all week.这里为什么有been,那was或者is之类怎么不行?
worried 是形容词,has been worried 是对be worried 在现在完成时态中的变形.此时be变形为been,
was worried 是 对be worried在一般过去时态中的变形,此时be变为was
is worried是对be worried在一般现在时态中的变形,此时be 变为is
在不同的时态中,会发生不同的变形

这是现在完成时语态的固定结构,have /has been, 表示状态.不直接用has worried 是这个句子没有宾语,所以worried 当形容词

Dan Robinson has been worried all week.has been worried可不可以改成has worried.为什么能or not Dan Robinson has been worried all week 疑问Dan Robinson has been worried all week 这句中的用法是现在完成时has been加worried表示已经担心还是被动语态表示被担心啊 怎么区别 Dan Robinson has been worried all week.这里为什么有been,那was或者is之类怎么不行? 新概念英语2册34课,第一句话.Dan Robinson has been worried all week.这句话是现在完成时的被动语态,是不是错了啊,不应该用被动啊.新概念英语2册34课,第一句话 新概念英语第二册的问题He never expected the bicycle to be found.那个to 是固定搭配吗?Dan Robinson was worried all week.这句用Dan Robinson worried all week 不行么? he has a bee in his head 急用 she has already read Robinson Crusoe.改为否定she has already read Robinson Crusoe.改为否定句 she __ __ Robinson Crusoe__.有人会不? martin robinson is a famous doctor who has a lot of experience dealing withteenagers. 同义句转换 That man called Robinson has a very bad temper怎么改? robinson-patman 这里为什么用 (has bee chosen)而不是is you should tell tom that he (has bee chosen) to work for这里为什么用 (has bee chosen)而不是is chosenyou should tell tom that he (has bee chosen) to work for Nanjing TV station.i think so ,I will It __ and the streets were still wet.A.rained B.has bee raining Dan has been worried all week and he's still worried.这里的still Dan Green is the only person _____ has a home like this.A That B .who robinson英文是什么意思 翻译人名matthew robinson? Robinson Crusoe是什么意思 bill bojangles robinson是什么意思