这句话中,可以用can替代could吗--Good news!I'm not going to have surgery after all.The doctor says I can start working out again soon and maybe play football like before in a few weeks.--That’s terrific!It will be great if you could(这个c

这句话中,可以用can替代could吗--Good news!I'm not going to have surgery after all.The doctor says I can start working out again soon and maybe play football like before in a few weeks.--That’s terrific!It will be great if you could(这个c 问一句话有无语法错误The tickets are of low price so that most can afford it. 这里的most用的对吗?在这句话中它是可以替代most people吗 he could hum songs when he was eight years old.这句话为什么要用could,而不是can那不就可以理解为他以前会哼歌, 虚拟语气中would是不是比较常用?可以替代might/should和could呢 这里为什么用could呢?You can buy as much as spaghetti as you could.在You can buy as much as spaghetti as you could.中,could 可以换成can吗?这里为什么用could呢?前面不是can吗? 请问这句话中where可以用that替代吗?The knee is the joints where the thigh bone meets are large bone of the lower leg.求专业、犀利正解并说明什么时候用when、 where、 that、who等~ katty could hardly walk ,coulan't she 可以使could吗?还是用can't she? Can I heip you?还可以用哪些句子来说Can I heip you?Yes,please.中 还有哪些句子可以替代Can I heip you?哪些句子可以替代You‘re welcome.还有 I'll take it.哪些句子可以替代 谁回答的出来 can could可以表可能推测吗? 氢能源可以用水替代吗 用英语这句话怎么说语气要委婉地说“我可以买这本书吗?”谢谢是用Can IShould I Could IMay I那种语气比较好？ 二辛酯可以用柠檬酸三丁酯替代吗?在增塑方面TBC可以替代DOP吗? 粉丝制作中加入明矾有什么用,有什么可以替代的吗? 铬酸洗液中可以用硝酸替代硫酸吗?效果如何? you must be careful when you cross the street中可以用if替代when吗 非限制性定语从句中where可以用介词+ which替代吗 硅烷可以替代车身磷化中硝酸镍吗 阿斯匹林的制备中醋酸酐可以用什么替代