哪位高手帮我翻译一下下面的这段英文？不要机翻！

my grandparents had a door-bell.one day,while i was doing my homework,i heard "bong..."."what is that?why not ring the door-bell?"i asked. it was grandma.i proceeded doing my homework.then i heard "bong..."."what is that?why not ring the door-bell again?"i asked.i must let them ring the door-bell consciously,so i wrote a note said " please ring the door-bell."and stuck it on the door.when i was going to get in,i found that the door was closed ."bong..."it was my turn.

I just installed the grandparents rang the doorbell.
One day, I was do my homework. "BONGBONGBONG, Who is that? How not to doorbell?" I said. Is the grandmother to the original. I continue to do homework. "BONGBONGBONG, who is that? how not the doorbell ?" is the grandfather.
"They must let the doorbell." I would like to. So I wrote one: "Please use the doorbell." Posted on the door. Would like to get the door has been found that the close. "BONGBONGBONG" This is me.

My grandparents installed a door bell. One day when I was doing my homework, I heard someone was knocking on the door. I asked:" Who's that? Why not use the door bell?" It was my Grandma. So I went on with my homework. There was someone knocking on the door again. I asked," Who's that? Why not use the door bell?" It was my Grandpa. I thought they should be made to ring the door bell. So I wrote a note said "Please using the door bell." and stuck it onto the door. After that I went in， "BONGBONGBONG" ，It was me knocking on the door this time.

My grandpa and grandma's home has a doorbell.
One day, I was doing my homework."BONGBONGBONG,who's it? Why didn't ring the doorbell?" I said. That's my grandma.
I came back and went on my homework."BONGBONGBONG, who? Why didn't ring the doorbell too?" That was my grandpa.
"I must let them all to ring the doorbell!" I thought.So I wrote "Please ring the doorbell." on a note,and then stick it on the door. But when I want to go in I found the door is closed."BONGBONGBONG"It was me!

很简单哦,请问你几年级了?