have written,have been writting,have been written,had written的区别是什么?（要时态,用法,在句子中作用·······）

不定式to have written是什么意思? professor also mentioned an artide ( )by Zhu ZiqingA.supposed to have been written B.supposed to be written C.supposing to have been written D.supposing to be written 一道高中英语时态填空题This note seems to_________by Mom.(write)答案是have written,为什么不是be written? had written,was written,is written,have written有什么差别? New York State has passed a law requiring that all legal contarcts be written in simple,understandable English.改成all leagal contracts have to be written为什么不对? I have written the letter____ink是什么意思? Have you ___ written to your parentsneveryetaireadyever You have never written anything for I have a letter ——,so I can't go to see a film with you A. to write B.to be written C.written Dwriting Have you read the article written by that young teacher为什么是written不是was written? have been written和have written有什么区别拜托各位了 3Qhave been written和have written有什么区别问题补充： Here is my new number .Have you written them down?还是Have you written it down? 动词不定式的时态和语态不 定 式 主 动 被 动 一 般 to write to be written 进 行 to be writing / 完 成 to have written to have been I would have written before,but I （ ） ill.A.were B.had been C.would be D.was This book ,which is written by Mo Yan,is said ____translated into EnglishA.beingb.to bec.to have beend.be 以下哪个句子的语序是正确的?I hope what I have written will be以下哪个句子的语序是正确的?I hope what I have written will be of some help to you.I hope what I have written will be some of help to you. 新概念英语3选择题He always insisted that it should be written out in full.He always insisted -------in full.a.on its being written out b.on writting it outc.to have it written out d.that it would have to be written out 一道非谓语的选择题,请帮我解释下The first textbook_____for teaching English as a foreign language came out in the 16th centryA have written B to be written C being written Dwritten