learn的过去式是learned还是learnt?有哪些单词过去式需加t的呢?

learn的过去式是learned还是learnt?有哪些单词过去式需加t的呢? learn的过去式learned怎样发音,末尾音是/d/还是/id/ 请问learnt 是learn的英式过去式还是美式过去式 learn的过去式learnt和learned都用在什么地方? 关于learn得过去式、过去分词的问题在《新牛津》、《牛津进阶》、《新英汉》三本词典中,learn的过去式、过去分词都是learnt但在人教版七下英语书中,learn的过去式是learned是英语书错了,还是 动词learn的过去式learned怎么读,注意不是形容词learned. They want to learn Chinese history and culture 的过去式是want变过去式还是learn变过去式 we did a survey of our readers and this is what we learned.Q1：翻译,特别是of ,and 两词的翻译Q2：这里的learned意为“学习”还是意为“了解”Q3：learn的过去式既可以是“learned” 也可以是“learnt”吗? I learn that learned earnest man earn much by learning .这个句子中learned的用法?是过去时还是形容词 Skills learn from books对吗?还是learning?learned?我的意思是做skill的后置定语应该选哪个 关于英语过去式（初二）dream有两个过去式:dreamed ,dreamt 有什么区别?表示意思?learn 的过去式也有两个learned learnt 什么时候用哪一个呢? learn的过去式 learn的过去式是什么 LEARN的过去式 learn的过去式是什么 关于动词不定式,一定要很会英语的来回答谢谢~Chinese is difficult ______.是填to learn 还是to be learned? learn.dance.eat.is.do的过去式是 一个英语基本英语语法问题.I had learned English 3 years.的倒装是3 years had I learned English.还是3 years had I learn English.这里假设是个过去完成时,我主要想知道在倒装后过去分词learned是保持不变,还是