一般过去时
【用法】 A．be型
这一类型由be动词（was和were）+名词、形容词、副词、代词、数词或介词短语等一起构成谓语，表示主语以前或过去的个性、特征或状态。如： ①I was a student ten years ago.(主语+be动词+名词) ②They were hungry just now.（主语+be动词+形容词）
③The bike was under the tree yesterday.(主语+be动词+介词短语) ④It was rainy last Sunday. ⑤They were very happy at Kangkang’s birthday party. B．情态动词型 情态动词型句子的构成为“主语+情态动词过去式could+动词原形”，情态动词过去式和动词原形一起构成谓语，表示主语过去或曾经能做的事情。如： ①He could speak a little English last year.(could+speak) ②What could she do when he was ten. C．did型 did型由行为动词过去式充当谓语，表示以前做过的某事， 其构成为“主语+动词过去式动词”。如： ①I knew him when I was young.②He believed me at that time. 【结构】
主语+动词过去式+宾语即某人+某个动词过去式+其他。 肯定式 I worked. You worked. We worked. They worked. He(She,It)worked. 疑问式 Did I work? Did you work? Did we work? Did they work? Did he(she,it)work? 否定式 I did not work. You did not work. We did not work. They did not work. He(She,It)did not work. 否定疑问式 Didn’t I work? Didn’t you work? Didn’t we work? Didn’t they work? Didn’t he(she,it)work?
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否定形式：首先找句子中有没有be动词（was或者were）或情态动词（could），如果有，只要在be动词或情态动词后面加上not。如果句子中没有be动词（was或者were）或情态动词（could）那么在后面加入didn’t（无论主语是什么人称）。 一般疑问句：首先找句子中有没有be动词（was或者were）或情态动词（could），如果有，只要将be动词或情态动词提前，放到主语前面。注意：句中第一人称和第二人称要互换。如果句子中没有be动词（was或者were）或情态动词（could）那么在主语之前加入did。注意：句中第一人称和第二人称也要互换。 特殊疑问句：首先分析划线部分的意思，确定用哪个疑问词（what,where,who,when,which,whose,how,how many,how much,what shape,what colour,what?doing,where?going,what?do）,然后找句子中有没有be动词（was或者were）或情态动词（could），如果有，只要将be动词或情态动词提前，放到主语前面。注意：句中第一人称和第二人称要互换。如果句子中没有be动词（was或者were）或情态动词（could）那么在主语之前加入did。注意：句中第一人称和第二人称也要互换。 【规则动词过去式构成形式】 规则动词的过去式由“动词原形+-ed”构成，具体变化有： 1.直接在词尾加-ed。 如:want—wanted,work—worked,need—needed,clean—cleaned 2.以不发音的e结尾的在词尾加-d。 如：like—liked,live—lived,use—used,move—moved 3.以一个元音字母加一个辅音字母结尾的重读闭音节动词，先双写结尾的辅音字母，再加-ed。如：stop—stopped,trip—tripped 4.以辅音字母加y结尾的动词，先把y变成i，再加-ed。 如：study—studied,carry—carried,hurry—hurried,marry—married 【不规则动词过去式】 P七·下142。
【练习】
一、 用所给词的适当形式填空。（Be动词） 一般过去时中的be动词有两种形式:was和were 其中：was用于单数主语之后，构成I/she/he/It was…句型。 were用于复数主语和二人称you之后，构成You/We/They were…
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句型。 1.I__________(be)a little girl at that time. 2.When__________(be)you born? 3.Maria__________(be)born in Cuba.
4.The weather yesterday__________(be)very cold.
5.They__________(be)very happy at Kangkang’s birthday party yesterday.
6.What__________(be)the date the day before yesterday? 7.__________(be)you at home a moment ago?
8.Where__________(be)your parents last Saturday?
9.My mother__________(be not)in Chongqing last month. 10.How__________(be)the weather this morning? 二、 用所给词的适当形式填空。（情态动词） 情态动词can的过去式为could，无人称变化。 1.Jane__________(can)speak Chinese well when she was only five. 2.__________(can)they dance the disco last year? 3.I__________(can not)sleep well last night. 4.What__________(can)you do just now?
三、 用所给词的适当形式填空。（实义动词） 首先根据句中提供的时间短语确定是否该用过去式。 然后判断该动词是属于规则动词还是不规则动词。 规则动词直接加ed，不规则动词则需强化记忆。 1.I__________(like)reading books before.But now I don’t. 2.She__________(watch)TV late yesterday evening. 3.We__________(clean)up our classroom a moment ago. 4.__________they__________(have)any bread this morning? 5.What__________you__________(do)the day before yesterday? 6.Tom__________(go)to visit the Great Wall last year. 7.Mr.Wang__________(sing)an English song just now.
8.__________Lin Tao have a good time at the party last Sunday? 9.We__________(not porform)ballet yesterday.We__________(recite)a poem.
10.The wind yesterday__________(blow)strongly.
四、 句型转换。（Be动词） 否定句：直接在was/were后加not。 疑问句：将was/were提到主语之前。 1.I was born in a small town.（变为一般疑问句） __________you__________in a small town?
2.Sam was a little boy at that time.（变为否定句）
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Sam____________________little boy at that time.
3.His friends were in the library just now.（对划线部分提问） ____________________his friends just now?
4.Were they very happy yesterday?（作否定回答） No,____________________.
5.Was your brother born in Chongqing?（作肯定回答） Yes,____________________. 五、 句型转换。（情态动词） 肯定句：直接在could后加not. 疑问句：将could提到主语之前。 1.I could sing English songs when I was five.（变一般疑问句） __________you__________English songs when you were five? 2.The boy could ride a bike last year.（变否定句） The boy____________________a bike last year.
3.They could play a game yesterday.（对划线部分提问） What__________they__________yesterday?
4.Could your friends cook food last Sunday?（作肯定回答） Yes,____________________. 六、 句型转换。（实义动词） 否定句：didn’t+还原动词 疑问句：Did+主语+还原动词 1.I went to Sichuan with my friends during summer holidays.（变否定句）
I____________________to Sichuan with my friends during summer holidays.
2.She recited a poem at Kangkang’s birthday party.（变一般疑问句） __________she__________a poem at Kangkang’s birthday party? 3.They did their homework half an hour ago.（变否定句） They____________________their homework half an hour ago. 4.Tom sang a song beautifully yesterday.（对划线部分提问） What__________Tom__________yesteray?
5.Jim took many pictures in winter holidays.（变一般疑问句） __________Jim__________many pictures in winter holidays? 6.Did the kid hurt himself just now?（做否定回答） No,____________________.
7.They knew the girl in blue well?（对划线部分提问） Who__________they__________well?
8.I forgot to close the door yesterday evening.（对划线部分提问） What__________you__________to do yesterday evening?
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