外研版四年級英語下冊《Did you fall off your bike?》PPT免費課件，共30頁。
New words
ride a bike 騎自行車
a bike ride 騎自行車
go for a bike ride 去騎自行車
Sam and I went for a bike ride yesterday.
Language point
一般過去時
概念：一般過去時表示過去某個時間里發生的動作或狀態；過去習慣性、經常性的動作、行為；過去主語所具備的能力和性格。
肯定句基本結構：主語+謂語(動詞過去式）+句子其他成分
例句：Yesterday I took some pictures.
一般疑問句基本結構：Did+主語+do+其他。
例句：Did your father go fishing last Saturday?
Yes,he did./No,he didn't.
Summary
1.What happened to...?
常用來詢問某人或某人的身體部位發生了什么事。
例句：What happened to your head? 你的頭怎么了？
2.一般過去時肯定句基本結構：主語+謂語(動詞過去式）+句子其他成分
例句：Yesterday I took some pictures.
一般過去時一般疑問句基本結構：Did+主語+do+其他。
例句：Did your father go fishing last Saturday?
Yes,he did./No,he didn't.
... ... ...
關鍵詞：Did you fall off your bike? PPT課件免費下載，.PPT格式；
