They could be saved so much misery为什么不说They could save?

They could be saved so much misery为什么不说They could save? 这个句子的语法和一些语态我不太明白,希望给予解释They could be saved so much misery and expense if they chose to live in the city where they rightly belong.我想说的的是They could be saved,我就是不明白这儿为什么 They could be saved so much misery and expense if they chose to live in the city where they rightly belong.they rightly belong.这个they指的是谁 how could they be improved? 新概念第三册41They could be saved so such misery and expanse if they chose to live in the city where they rightly belong.为什么要用be saved被动语态?为什么要用过去时?我觉得他是说了一种现象 新概念第三册41课 They could be saved so much misery and expense if ...这里的save怎么解释,为什么用被动语态,如果还原成主动语态,主语应该是什么? ___it rain,the crops would be saved.A if B will C should D could be saved by 翻译 Some of the parents saved their money so that they could pay for the children's education. what would you do to help your family?most of us say we would do anything to heilp our families.sometimes,this can be easy to say but hard to do.last year,my mother became very ill.the doctors examined her very carefully.they said she could be saved, The data hah be saved 英语翻译We all know that in a few years,Humanity will look back to the human cloning debate and feel ashamed for all the people who have been suffering and dying while they could be saved if the money used for bombing was put into stem cell appli could be trusted to know what they were What could be heard when they set off?什么意思 The doctors and nurses did as much as they could _____ the infured children.为什么不选save 而选saved. They could follow their dreams to be a good person which they want to be. saved I was lost could not be saved my life just ran away这句的语法结构是怎样的?拆分下.