有关 have been 在本句中的解释How will you account for the fact that you have been late each day this week?本句中的have been的句式是不是现在完成时have done,been在这里的身份是动词be的过去分词?late作什么?

有关 have been 在本句中的解释How will you account for the fact that you have been late each day this week?本句中的have been的句式是不是现在完成时have done,been在这里的身份是动词be的过去分词?late作什么? 解释句子All the book I have have been taken to school.尤其是两个have在句中的用法, The house has been added to(=new rooms,etc.have been built on to it) from time to time.本句括号中的解释语中new rooms,etc.have been built on意指“新房子等已被扩建”不就是完整的意思了吗?为什么后面还要加用to it, “有志者古者希矣”这句怎么解释?出自哪里?作者是谁?“希”在本句中的解释,是什么特殊用法吗? have been与had been的区别?（谢瓜了）这句话中的have been解释下： They say that the footprints could have been made by...句中could可用may/might They say that the footprints could have been made by bears.句中的could可用may/might代替吗?如果有可能请详细解释could和may /might在 表示推测的用 if it hadn't been for your paticipation,this project wouldn't have been completed ahead of schedul.请高人指点此句话的准确翻译.以及had been、have been在句中的作用. have you been to the Sports Center that is just opend in town .定语从句在句中的成分 feel free to ask me any questions you might have 特别解释下you might have 在句中的成分 求教英语翻译 where have you been?i have been over the library.此句中的over怎么翻译? Have you ever been abroad; Have you ever traveled by air;把句中的been去掉有什么区别? I have lived here.与I have been in there.有什么区别?第二句中的been表示什么? where have you been里的have been怎么解释 I have been here是“我来过这里”还是“我在这里” “have been”到底有几种解释? 解释“时”字在句中的意思 i have been to和i have been doing 和i have been.区别i have been to和i have been doing 和i have been+done内些的区别~解释清楚点,内些死定义不太明白譬如说 我已经读过这本书我曾经买过一辆车都怎么说， have been to中的have是什么意思 英语中的 have been 比如说 there have been fewer accidents recently.中的have been