is replaced 和has been replaced 的区别和语法?如题,1,is replaced:什么是语法呢?句子成分是什么?例子：The heaviness of being successful is replaced by the lightness of being a beginner again.2,这里可以用has been replaced 是

is replaced 和has been replaced 的区别和语法?如题,1,is replaced:什么是语法呢?句子成分是什么?例子：The heaviness of being successful is replaced by the lightness of being a beginner again.2,这里可以用has been replaced 是 has been replaced They are interested啥句型用they interested可以吗she is been replaced啥问题?she has been replaced电影里看见的2句。They are interested 他们感兴趣。she is been replaced 这句话是不是错了？ 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 bee 和butterfly是什么意思 where is the bee 翻译 bee和aump谁漂亮 A bee is one kind of i____?根据句意和首字母完成单词 英语选择填空you should tell tom that he (has bee chosen) to work for Nanjing TV station英语选择填空这里为什么用 (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 英语翻译Paper money has replaced metal money for most purposes.1.has replaced是什么时态?2.翻译?3.for There is a bee in our classroom A man who is virtually busy has no time to have a bee in his head.a man who dares to waste one hourA man who is virtually busy has no time to have a bee in his head.a man who dares to waste one hour of life has not discoverd the value of he has a bee in his head 急用 和bee发音相同的字母(大小写) bettery should be replaced while mian power is ON Love among family members is be replaced incapably. 英语翻译For more potent drinks China has firewater,strong sorghum-based Maotai,often used for toasts at official banquets.Nowadays,however,it is often replaced by Shaoxing rice wine,a milder and more palatable alternative.Grape wine is now produc 英语翻译if another bee approaches the nest,the guard determines if the new bee if familiar.If it is,it's allowed to enter.麻烦大家帮我解释一下第一句的结构和翻译,