动词过去式不规则变化表,动词的被动式和过去式该怎么区别？
“动词的被动式”用的是动词的过去分词动词过去式不规则变化表，而“过去式”和过去分词大多都是一样的，因此会不好区分，但是也是会有区分的。
1、动词在用作被动式的时候前面一定要加be动词
2、过去式只是表述动词的一个时间状态，所以仍作动词用，是不需要加助动词be的
3、被动式是不会存在不规则变化的，如你说的eat ate eaten，其中eat是原形， ate是过去式， eaten是过去分词，像一开始说的，被动式采用的是过去分词，而不是过去式，所以是不会变的。
希望我的讲解对你有用。谢谢。
构成被动式一般是Be动词+动词过去分词。过去式表示发生在过去的动作。一般情况下，动词变成过去式和过去分词都是加ed，部分不规则动词的变化形式，请参看牛津或者朗文等辞典后面的附表《不规则动词》。
不规则动词过去式的技巧1。A—A—A型（现在式、过去式和过去分词同形）动词原形（现在式）过去式过去分词costcostcost花费cutcutcut割，切hithithit打letletlet让putputput放下readreadread读hurthurthurt伤2。
A—A—B型（现在式和过去式同形）beatbeatbeaten打3。A—B—A型（现在式和过去分词同形）comecamecome来becomebecamebecome变runranrun跑4。A—B—B型（1）在动词原形后加一个辅音字母d或t构成过去式或过去分词。
burnburntburnt燃烧learnlearned/learntlearned/learnt学习meanmeantmeant意思hearheardheard听见（2）把动词原形的最后一个辅音字母“d”改为“t”构成过去式或过去分词。buildbuiltbuilt建筑lendlentlent借给loselostlost失去sendsentsent送spendspentspent花费（3）其他paypaidpaid付laylaidlaid下蛋saysaidsaid说bringbroughtbrought带来buyboughtbought买thinkthoughtthought想sleepsleptslept睡keepkeptkept保持sweepsweptswept扫standstoodstood站understandunderstoodunderstood明白winwonwon得胜shineshone/shinedshone/shined发光catchcaughtcaught抓住teachtaughttaught教feelfeltfelt觉得fightfoughtfought战斗findfoundfound发现getgotgot得到hanghanged/hunghanged/hung绞死，挂havehadhad有holdheldheld盛，握leaveleftleft离开makemademade制造meetmetmet遇见sellsoldsold卖shootshotshot射击telltoldtold告诉smellsmelt/smelledsmelt/smelled嗅，闻sitsatsat坐digdugdug挖5。
A—B—C型（现在式、过去式和过去分词都不相同）（1）在动词原形后加-n或-en构成过去分词。
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