外研版四年级英语下册《Did you fall off your bike?》PPT免费课件，共30页。
New words
ride a bike 骑自行车
a bike ride 骑自行车
go for a bike ride 去骑自行车
Sam and I went for a bike ride yesterday.
Language point
一般过去时
概念：一般过去时表示过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为；过去主语所具备的能力和性格。
肯定句基本结构：主语+谓语(动词过去式）+句子其他成分
例句：Yesterday I took some pictures.
一般疑问句基本结构：Did+主语+do+其他。
例句：Did your father go fishing last Saturday?
Yes,he did./No,he didn't.
Summary
1.What happened to...?
常用来询问某人或某人的身体部位发生了什么事。
例句：What happened to your head? 你的头怎么了？
2.一般过去时肯定句基本结构：主语+谓语(动词过去式）+句子其他成分
例句：Yesterday I took some pictures.
一般过去时一般疑问句基本结构：Did+主语+do+其他。
例句：Did your father go fishing last Saturday?
Yes,he did./No,he didn't.
... ... ...
关键词：Did you fall off your bike? PPT课件免费下载，.PPT格式；