I'd是I would 的缩写,所以原句是I would like some bread for breakfast.
would为情态动词,可以不需要助动词和be.动词,直接提前就行了,还要考虑some.
some表示一些,可以修饰可数和不可数名词,但只能用在肯定句中,用在否定和疑问句中的是any,则,提问时要把some换成any.
疑问句为:Would you like any bread for breakfast?
顺便拓展一下:
would like+名词
would like to+V.原形