一般过去时态
1.定义：
表示过去某个时间发生的动作或存在的状态。常和表示过去的时间状语连用，如:last year, yesterday,等；也可表示过去经常反复发生的动作，常和often, always等频率副词连用。 注意：Ａ.规则动词的过去式
①一般是直接在动词的后面加ed；
如：work-worked 工作learn-learned 学习 clean-cleaned 清洁 visit-visited拜访，参观 ②以e结尾的动词直接加d；
1.live-lived居住 2.dance-danced 跳舞 3.use-used 使用 ③以辅音字母加y结尾的动词要改y为i再加ed （此类动词较少） 如：study–studied 学习carry – carried 搬动 worry – worried担心 而以元音字母加y结尾的动词的变化规则也是直接加ed 如：play-played 玩 stay-stayed 停留；依靠 ④双写最后一个字母（此类动词非常少） 如：stop-stopped 不规则变化的类型：
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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
cost cost cost 花费 cut cut cut 割，切 hit hit hit 打 let let let 让 put put put 放下read read read 读 hurt hurt hurt 伤
2. A---A---B型（现在式和过去式同形） beat beat beaten 打
3. A---B---A型（现在式和过去分词同形）
come came come 来 become became become 变 run ran run 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。
burn burnt burnt 燃烧learn learned/learnt learned/learnt 学习mean meant meant 意思 hear heard heard 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。
build built built 建筑 lend lent lent借给lose lost lost 失去
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send sent sent 送spend spent spent 花费 （3）其他
pay paid paid 付 lay laid laid 下蛋say said said 说 bring brought brought 带来buy bought bought 买 think thought thought 想 sleep slept slept 睡 keep kept kept 保持 sweep swept swept 扫 stand stood stood 站win won won 得胜 understand understood understood 明白 shine shone/shined shone/shined 发光
catch caught caught 抓住teach taught taught 教 feel felt felt 觉得fight fought fought 战斗 find found found 发现 get got got 得到 hang hanged/ hung hanged/ hung 绞死，挂 have had had 有 hold held held 盛，握 leave left left 离开make made made 制造 meet met met 遇见sell sold sold 卖 shoot shot shot 射击tell told told 告诉 smell smelt/smelled smelt/smelled 嗅，闻 sit sat sat 坐 dig dug dug 挖
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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。 eat ate eaten 吃 fall fell fallen 落下 steal stole stolen 偷give gave given 给 freeze froze frozen 冻结take took taken 拿 see saw seen 看见write wrote written 写 ride rode ridden 骑drive drove driven 驾驶 throw threw thrown 抛，扔blow blew blown 吹 grow grew grown 生长know knew known 知道 fly flew flown 飞draw drew drawn 拉，绘画 show showed shown 展示
（2）过去式加-n或-en构成过去分词。
speak spoke spoken说话break broke broken破碎,折断 wake waked/ woke waked/ waken 醒
choose chose chosen 选择forget forgot forgotten 忘记 （3）变单词在重读音节中的元音字母“i”分别为“a”（过去式）和“u”（过去分词）。
begin began begun 开始ring rang rung 按铃 sing sang sung 唱sink sank sunk 沉
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swim swam swum 游泳drink drank drunk 饮 （4）其他不规则动词的变化。
be(am, is) was/ were been 是be(are) were been 是 do did done 做go went gone 去lie lay lain 躺 wear wore worn 穿
2.构成：
1）be动词的一般过去时的构成
肯定式 I was a student. He/She/Mary was a student. It was Peter. We/You/They were workers. Was I a student? Was he/she/Mary a student? Was it Peter? Were we/you/they workers? I was not a student.He/She/Mary wasn't a student. It wasn't Peter. We/You/They weren't workers. Was I not a student? Was he/she/Mary not a student?或Wasn't he/she/Mary a student? Was it not Peter？Were we/you/they not workers? 疑问式 否定式 疑问否定式 2)其他实义动词的一般过去时的构成：
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肯定式 I worked. He/She/It worked. We/You/They worked. Did I work? Did he/she/it work? Did we/you/they work? I didn't work. He/She/It didn't work. We/You/They didn't work. Did I not work?或Didn't I work? Did he/she/it not work? Did we/you/they not work? 疑问式 否定式 疑问否定式 3.基本用法：
1）带有确定的过去时间状语时，要用一般过去时。I began learning English at the age of five.
2）表示过去连续发生的动作时，要用一般过去时。这种情况下，往往没有表示过去的时间状语，而通过上下文来表示。The boy opened his eyes for a moment, looked at the captain, and then died. 3）表示过去一段时间内经常或反复发生的动作。常与always, never等连用。
Mrs. Black always carried an umbrella. 比较：Mrs.
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Black always carries an umbrella.
4）如果强调已经终止的习惯时要用used to do. I used to take a walk in the morning. 比较：I took a walk in the morning.
5）有些句子，虽然没有明确的表示过去的时间状语，但实际上是指过去发生的动作或存在的状态的话，也要用过去时，这一点，我们中国学生往往出错，要特别注意！常与一般过去时连用的时间状语：yesterday, the day before yesterday, last night, ago, in 1980, this morning/afternoon, when引导的状语从句（过去），in the past.
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