知识结构知识结构知识结构知识结构一般过去时构成用法常用时间动词的过去式1 、表示过去某个时 间发生的动作或存在的状态。2 、表示过去经常或 反复发生的动作。yesterdaylast nightin 1990two days ago 动词过去式的构成规则动词不规则动词构成读音 规则动词过去式的构成构成规则例词1 、一般在动词原形末尾加– ed look looked play played start started2 、结尾是 e 的动词加 -- d live lived hope hoped use used3 、末尾只有一个辅音字母的 重读闭音节词，先双写这 个辅音字母，再加—ed stop stoppedplan plannedtrip tripped4 、结尾是“辅音字母 +y” 的动词， 先变“ y” 为“ i” 再加— ed study studiedcarry carried 清念 /t/ , 元浊 /d/ ; /t/ /d/ 之后念 /id/规则动词词 -ed 的读音说明：1 、清念 /t/ ，即 ed 在清辅音后面念 /t/ , 例： finished helped passed cooked2 、元浊 /d/ , 即 ed 在元音，浊辅音后面念 /d/ , 例： borrowed enjoyed called moved 3 、 /t/ /d/ 之后念 /id/ , 即 ed 在 /t/ /d/ 音后面念 /id/ 例： wanted shouted needed counted 不规则动词表Infinitive Past tenseam is wasare werebegin begunbreak brokebring broughtbuild builtbuy boughtcan couldInfinitive Past tensecatch caughtcome camedo diddraw drewdrink drankdrive droveeat atefall fell用 法1 、表示过去某个时间发生的动作或存在的状态。 He was here yesterday. I got up at six thirty yesterday morning. My father was at work yesterday afternoon. Did you have a good time last summer?2 、表示过去经常或反复发生的动作。 My father often went to work by bus last year. When I was a child, I often listened to music. 常用时间常与一般过去时态连用的时间有：yesterdayyesterday morning (afternoon, evening…)last night (week, month, year…)two days ago, a week ago, three years ago…in 1990, (in 1998…) PRACTISEPRACTISE改写句子：1 、 Lucy did her homework at home. （改否定句） Lucy _______ _______ her homework at home.2 、 He found some meat in the fridge. （变一般疑问句 ) ______ he _____ ______ meat in the fridge?3 、 She stayed there for a week. （对划线部分提问） ______ ______ _____ she _____ there?4 、 There was some orange in the cup. （变一般疑问句 ) _____ there _____ orange in the cup? didn’t do Did find any How long did stay Was anyThat’s great√ 再 见再 见再 见再 见再 见再 见
