1、名词变复数变化规则 (一) 规则变化 名词单数变复数，直接加 -s 占多数； s, x, z, ch, sh 来结尾，直接加上 -es； 词尾是 f 或 fe，加 -s 之前先变 ve； 辅母 + y 在词尾，把 y 变 i 再加 -es； 词尾字母若是 o，常用三个已足够， 要加 -es 请记好，hero, tomato, potato。 (二) 不规则变化 男人女人 a 变 e，鹅(goose)足(foot)牙(tooth) oo 变 ee； 老鼠(mouse)虱婆(louse)也好记，ous 变 ic； 孩子加上 ren，鱼鹿绵羊不用变。1学习交流PPT一般过去时的用法与结构详解2学习交
2、流PPT时态和时间 表示：pastnowfuture3学习交流PPT动词过去式的构成规则动词regular verbs不规则动词irregular verbs4学习交流PPT规则动词过去式的构成5学习交流PPT1、一般在动词末尾加、一般在动词末尾加 ed （掌握）（掌握） look Walkpaintplay cleanVisitWantcoughwatch look ed Walked painted play ed cleaned Visited Wanted coughed watched 6学习交流PPT2、结尾是、结尾是 e 的动词只加的动词只加 - d (了解了解) live ho
3、pe uselived hoped used7学习交流PPT 3.重读闭音节词，重读闭音节词， 先先双写双写这个辅音字母，再加这个辅音字母，再加ed stopPatstoppedPatted (掌握掌握)8学习交流PPT4. 以以“辅音字母辅音字母+y”结尾的词，结尾的词， 先变先变“y”为为“i”再加再加ed study WorryEarlyHappystudyied WorryiedEarlyiedHappyied9学习交流PPT不规则动词过去式的构成10学习交流PPT1.过去式与原形一样(了解)letlet（让）（让）putput (放下）放下）cut cut（砍，剪）（砍，剪） rea
4、dread（读）（读）letlet（让）（让）putput (放下）放下）11学习交流PPT2.把元音字母变成“a”come came（掌握）give gaveBecome becamedrink drank（了解）begin began12学习交流PPT剩余不规则动词13学习交流PPT剩余不规则动词表剩余不规则动词表Infinitive Past Tense am, is are do go havemake get Infinitive Past Tense eat say see was were did went had made got ate said saw 14学习交流PPT一
5、般过去时肯定句变否定句15学习交流PPT Be动词类 否定句 实义动词类16学习交流PPT1 （be动词类）在表示过去存在的状态状态 的句子中在was, were的后面加上not。如：肯定句： He was in the park the day before yesterday.否定句：He was not in the park the day before yesterday.肯定句： We were busy last week.否定句：We were not busy last week.17学习交流PPT2（行为动词类）要在行为动词的前面加助动词didnt. 然后把动词过去式改为动
6、词原形。即：didnt + 动词原形肯定句： She played the violin last night.否定句：She didnt play the violin last night.肯定句： They swam in the lake yesterday.否定句：They didnt swim in the lake yesterday.18学习交流PPT一般过去时否定句练习肯定句: They made a kite a week ago.否定句：They didnt make a kite a week ago.肯定句： He was ill yesterday. 否定句：He
7、was not ill yesterday.肯定句：The cat ate a bird last night.否定句：The cat didnt eat a bird last night.19学习交流PPT一般过去时的一般疑问句20学习交流PPT1.把was, were放在句首，其余位置不变。（1） He was born in Shanghai. Was he born in Shanghai? (一般疑问句)Yes, he was. (肯定回答) No, he wasnt. (否定回答)21学习交流PPT一般过去时一般过去时 1 1一般过去时一般过去时表示过去某个时间发生的动作或存在的
8、状态，常和表示过去的时间状语连用。 Yesterday(昨天)， last night（昨天晚上）， last week (上周) Last Sunday（上周日） in 1990 just now （刚才）, long long ago（很久以前） 22学习交流PPT （2）They were in Li Yans home last night. Were they in Li Yans home last night? （一般疑问句） Yes, they were. (肯定回答) No, they werent. (否定回答)23学习交流PPT一般过去时一般疑问句及其肯否一般过去时一般疑
9、问句及其肯否定回答定回答练习题练习题1. They had a good time in the park.一般疑问句：Did they have a good time in the park?肯定/否定回答：Yes, they did.No , they didnt.24学习交流PPT2. Ann did her homework yesterday evening.一般疑问句：Did Ann do her homework yesterday evening?肯定/否定回答：Yes, she did.No, she didnt.25学习交流PPT 3. I read an English
10、 book last week.一般疑问句： Did you read an English book last week?肯定/否定回答：Yes, I did.No, I didnt.26学习交流PPT4. My brother was in the park just now. 一般疑问句： Was your brother in the park just now?肯定/否定回答：Yes, he was.No, he wasnt.27学习交流PPT 一般过去时练习题 Her father _ (read) a newspaper last night. We _(go) to the z
11、oo yesterday. _ you _ (visit) your relatives last Spring Festival? _ he _ (fly) a kite on Sunday? Yes, he _. It _ (be) Bens birthday last Friday. We all _ (have) a good time last night. He _ (live) in Wuxi two years ago. The cat _ (eat) a bird last night.readwentDidvisitwashadlivedateDidflydid28学习交流PPT
