fall的過去式是fell。fall作名詞時意思是“秋季；垮臺、衰敗”，作動詞時意思是“落下；跌倒；下垂；跪下；（地面）向下傾斜；（數量等）減少；（雨或雪）降落；淪陷；陣亡；進入（某狀態）；突然來到”，作形容詞時意思是“秋天的”。

fall的過去式例句：

1、He fell downstairs and broke his wrist.

他摔下樓梯，摔斷了手腕。

2、Wilde fell and struck his head on the stone floor.

懷爾德摔倒了，頭撞在石頭地上。

3、The earth shook and the walls of neighbouring houses fell around them.

地面搖晃，周圍房屋的墻體在他們身邊倒塌。

fall的用法例句：

1.Sometimes things have to fall apart to make way for better things.

有時候要到達谷底，才會慢慢變好。

2.Here's an inside tip: The faster you rise, the harder you fall.

給你一個小忠告：爬得越快，摔得越疼。

3.Over a given period, the value of shares will rise and fall.

股票的價值在某一特定的時期內會有漲跌。