怎么区分I’d 是I had 还是I would

怎么区分I’d 是I had 还是I would I'd 如何区分是I could还是I would? I’d 是I would fail?还是I had fail? I'd=i would 也可以是i'd=i had?要如何区分句中指的是哪一个呢,在句中缩写后,如何知道是指 I would 还是 I had? I'd bettle hit the books!这句话中的I'd 是I had I would还是 I should? 英语I‘d到底是到底是I would 还是I had 或是两者兼有之 i'd rather 的'd是 had还是would i'd better是i had better还是i would better I'd like you to do me a favor这里i'd 是i would 还是i had 怎么回答Who had a yard sale yesterday?,是用 I had ,还是I did.为什么? You'D better go home now 中'd是HAD还是would的缩写?不过好像两种都有，那怎么区分？我感觉这里应该是WOULD吧，最好现在走！I'd like to go.这里'D是would吧？ 英语中W'd、I've、I'd怎么发音? 问个火星问题,WII和WI-FI怎么念,是像PSP一样分字母读W-I-I,W-I-F-I还是怎样? ( ) enough time ,I would have gone into that subject more deeply.怎么填?If I had还是Had I had? i hope she'd be very happy.这里的 'd 是had还是would?为什么? I'd like to go by train.中的'd是would还是had 请问此句中的I'd 是would还是had?——though I’d had reason enough in the last few months——but even if I had,I would not have imagined it like this. 不足为外人道也 的“为”怎么读?wéi 还是wèi?