be almost done doing是什么时态和句型?they were almost done building the new office tower but they hit a snag.

be almost done doing是什么时态和句型?they were almost done building the new office tower but they hit a snag. to be done=doing? being done 和 be doing ;done ；doing ; be done ;to be done 的用法 请详细点 谢谢 为什么有doing=to be done remain to be done是否等于remain doing?need doing是否等于need to be done? 非谓语中to be done =doing?非谓语中to be done =doing?=done be worthy of doing 还是 be worthy of being done be worth doing等于be worth to being done吗 be being done 与 be doing的区别 done doing Almost Done 歌词 Almost done中文意思 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 是不是一般 be done to do强调结果 be done doing be done 和be doing done这两种 是分别用在哪里啊? deserve doing=deserve to be done 这个短语是什么意思? 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 . need+to be done和need +doing的区别