一个很菜的问题,为什么Could I have a full one, Please?中用Could而不用Can?

一个很菜的问题,为什么Could I have a full one, Please?中用Could而不用Can? 歌曲《I could give you love》的一个问题?I could give you love应该怎么解?为什么用could而不用can? He walked very fast,and I could (一个H开头的单词)follow him. 英语上不懂的个问题.初中的.Could I please use the car?Could I please use your car?是什么意思?哪个对?为什么对与不对.谢谢. 一个简单的murder问题!I could murder a cuppa.这里的murder表示什么呢?很快地喝完? I wish I could fly in the sky,could 和can,为什么不用can,could 是can的过去式吗? 英语句子结构分析的问题,I reckon William could have been telling the truth.could have been telling 请问这是什么时态?是虚拟语气吗?如果是虚拟语气,为什么不用could have told the truth? I wouder if you could make _____ for us.A some rooms B alittle room C a few rooms D a bit room 我是一个学生,分析一下错误的答案为什么会错!我现在无法立即选择答案,我很有很多问题输入,一会全输完了我会一次 对于could引起的提问,为什么回答要是 yes I can 而不是I would呢输入错误是I could 反义疑问句I don't think he could have done such a stupid thing last night,____?一个关于反义疑问句的问题,I don't think he could have done such a stupid thing last night _____?A.do I B.could he C.did he D.has he答案是C,求讲解.就 could i have those two tickets please为什么用could, CH4的键角问题如果CH4的一个H被甲基取代,为什么键角会大于109度? 还有一个问题就是线粒体产生的还原性H为什么与叶绿体产生的还原性H不同?除了反应物不同以外 一个关于反义疑问句的问题,I don't think he could have done such a stupid thing last night _____?A .do B could he C.did he?D.has he?这样的I think /imgine /suppose 的类型是针对从句反问么?如果从句中含有could /should /migh wish could 的一个问题...虚拟语气好的.朋友来看看.I wish I could fly like a bird.我希望能像鸟一样飞.wish后跟从句是要用,虚拟语气,知道的.就是不太清楚,在什么时候,从句中 用 could 或是 would 谁能写 Do you know whether I could pass the exam? 为什么whether后面用的是could?不是can? 一个很难的高中英语单选题—I was wondering if we could go skiing on the weekend.— It ____ good.A：Sounds B：Sounded 然后解释为什么用现在时,而不用过去时? i told you it could be done 请问如何翻译,及为什么用could be,could一般不是指能力方面的吗,