climb三单形式和ing形式

三单形式是climbs，ing形式是climbing，例如：

1.The order for them to climb the mountain was given.让他们登山的命令已经发出。

2.Our family often went out to climb mountains.我们家以前还经常在这天出去登山。

3.Many people choose to climb from the north side of the mountain to avoid this route.很多人选择从珠峰北面登山，避开了上面说的这条线路。