英语翻译如题..there was a man.he went to a shop and bought a horse

英语翻译
如题..
there was a man.he went to a shop and bought a horse.and he got on the horse and said :get it off.but the horse didnot move.and he tries again and again,but the horse still didnot move.so he ask the shopkeeper how to get the horse to go.and the shopkeeper says:you have to say thankgodness.and the man asked the shopkeeper how to make the horse stop.and the shopkeeper said,you have to say help.and so the man get on the horse again and said thankgodness,and the horse went off,and they were coming to a cliff .and the man forgotten the words to stop.and he tries to think.and when they were almost near the edge,he shouted help.and the horse suddenly stop,just being they were going to get off the edge.and he said thankgodness!
本人英语不是很强..所以翻译的很不通顺...
大家说的都很好，可是度娘只允许我给一个人采纳...
我只好采纳最先回答的那位大神的了...