英语中has been silent里为什么会有been?现在完成进行时和将来完成进行时的公式里都有been,可是它的后面接的都是现在分词啊,谁能解释一下

英语中has been silent里为什么会有been?现在完成进行时和将来完成进行时的公式里都有been,可是它的后面接的都是现在分词啊,谁能解释一下 这个英语句子中为什么to后面加动词ing?Accustomed though we are to speaking of the films made before 1927 as “silent”,the film has never been,in the full sense of the word, silent． 英语中have been；has been是什么? The big clock was damaged many years ago and has been silent ever since .has been silent ever sincesilent 不是adj.怎么用在这里,解释下(是不是be silent 的现在完成式) 英语翻译Accustomed though we are to speaking of the film made before 1972 as silent,the film has never been,in the full sense of the word,silent. 英语,has been和 had been 英语：为什么填has been Would you please keep silent?The weather report and _I want to listen.A is brodcast B is been brodcast C has been brodcast D had been brodcast 英语Has been to 和Has been in 怎么用? 1.在句子中什么时候使用副词?2.在英语中,什么时候用had been doing had done has been doing has done请分别举例, 1.在英语中,什么时候用had been doing 2.在句子中什么时候使用副词?had done has been doing has done Wandering has always been 请翻译一下.Wandering has always been 这个句子是什么意思? always been 什么意思?wandering has always been, and still is.小说中翻译为：周游世界,无论过去还是现在,. 英语句子翻译,has been主语是什么 英语中的has been充当什么成分 英语 the new machine has been tested 在英语中,什么时间用was/were,什么时候用have/has been? 打开internet explorer时为什么是英语啊如何改成汉语home page has been changed 英语：“this year”用什么时态?原句：There has been too much rain in sw this year.为什要用has been 而不是was?