could I have some more bread.I have a dream.请问下这两个句子的时态?和结构?

Could I have= Could you give me Could I have some water?= Could you give me some water? Could I have= Could you give me Could I have some water?= Could you give me some water? Could I have some bread, please? 为什么用some? Could i have some carrots?为什么some不变any Could I have some bananas,please?Sorry,we don't have some. could I have some milk?这是一般疑问句,为什么这里的some,没改成any could I have your? could i have supper? 急How i wish i---a new computer like this---.A.could have;some dayBBwould have;a dayCcan have;a dayD will have; some days could I make some suggestion什么意思I have studied plants as one of my interestS.could I make some suggestion i have some problems with my computer ,could you lend me a hand 为么要用 could ,用can could I have some more bread.I have a dream.请问下这两个句子的时态?和结构? could i have some more coffee please?这句话有什么毛病是病句吗 could i have __ bar of chocolate?A.some B.a the cookies ____good .could i have some more?1.taste 2.smell 3.feel 4.sound These biscuits ____ sweet and crispy .Could I have some more?中间填啥? Could I have （　　　）fur　clothes　?A.some　B.any　C.a　D.an Could I have ()botters of milk ,please?--Sorry ,there anen't ( )A.some,any B.any,anyC.some ,some Dany,some