fall过去式和过去分词

例句：

1、Totally exhausted, he tore his clothes off and fell into bed.

他疲惫至极，扯下衣服，一头倒在床上。

2、Output will fall by 6%.

产量将减少6%。

3、There's a danger of the government falling because it will lose its majority.

政府将因失去其占多数的优势而有倒台的危险。

4、Croatian army troops retreated from northern Bosnia and the area fell to the Serbs.

克罗地亚军队从波斯尼亚北部撤军后，该地区落入塞尔维亚人手里。