用there is sb /sth doing sth,stop sb (from) doing sth造句

There：
There is a dog catching a cat in the garden .
There's a man sitting behind the bus-stop.公共汽车站后边坐着一个男人.
stop :
I only just managed to stop myself from shouting at him.
我极力控制住自己没对他喊叫起来.
You can't stop our going/us (from) going if we want to.假若我们要去,你是阻止不了的.

there is sb /sth doing sth好像没有这种用法
My mother often stops me from eating meat.

There is John trying to get off bed. Stoping him getting off bed is not hard.