英语to be done 和to 1.It took a long time for the effective use of natural gas to be made.2.The book is easy to read.……于是我就混乱了 什么情况用to be done 什么时候用to do呢

have been done 和 to be done to do 和 to be done 有什么区别?比如说 I have something to do 和 I have something to be done 有什么区别? Be done 和to be done的区别 英语 区分 doing to和 be doing,being done 和 to be being done .请帮我区分一下 doing to和 be doing,being done 和 to be being done . 英语动名词中BEING DONE和TO BE DONE 的区别 to be done 和having been done的用法 want sth done和 want sth to be done 区别? to be done 和 done 做定语时的区别 want sth done和 want sth to be done 区别 seem to be done TO BE DONE怎么样 关于英语非谓语问题非谓语doing having done to do to have done to be doing being done have been done to be done to have been doing done doing,having done,to do,to have done ,to be doing,being done,have been done,to be done,to have been doin 高二英语不定式1.I have a lot of homework to do2.I have a lot of homework to be done.哪个对?还是两个都对? being done 和 be doing ;done ；doing ; be done ;to be done 的用法 请详细点 谢谢 i am done.i am done trying.i am done trying to be your friend.i dont want to be,its way to hard have something done和need to be done如题 请问have to be done ,need to be done怎么使用?是什么时态?表示什么时间段? My work ___,I went home.A.had been done B.done C.having done D.to be done to be done是什么意思?to do是表将来,to be done是表将来被吗?可是to do不是表主动的吗?什么时候会出现to be done啊?to being done 和to been done呢?