Wu SanjieⅠ、一般过去时的用法与构成(引例) He lived here ten years ago. I stayed at her home last night. It was very hot yesterday. 用法: 表示过去某一时间内发生的动作或存在的状态。 动词形式:动词的过去式Ⅱ、一般过去时的时间短语 见的表示过去时间概念的短语: last night, yesterday, last year, … ago, this morning, just now, in 过去年份等 这些短语的位置:句首 、 句末e.g. We cleaned the classroom this morning. This morning we cleaned the classroom.Ⅲ、动词过去式的变化(规则动词) 一般在词尾加 ed ask → asked; help → helped e.g. They asked me the time just now. 以 e 结尾直接加 d arrive → arrived e.g. I arrived late this morning.动词过去式的变化(规则动词) 以重读闭音节结尾的,则双写 plan → planned e.g. We planned to go to the party. 以辅音字母 y 结尾,去 y 变 i 加 ed。 如 try → tried; study → studied e.g. He tried to climb the tree, but he could not. 动词过去式的变化(规则动词) 练习: 规则动词的过去式的变化式 规则动词过去式的构成构成规则例词lookplaylivehopestop planstudycarrylookedplayed livedhopedstoppedplannedstudiedcarried 1、一般在动词原形末尾加– ed 2、结尾是 e 的动词加 -- d 3、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 4、结尾是“辅音字母+y” 的动词, 先变“y”为“i”再加—ed Ⅳ、动词过去式的变化(不规则动词) 例: go |