mypenpai
Inaveapenpai,hernameisHeien.Sometines,sheswimsintheriver,sometimes,shedancesintheroom,andsometimes,shedrawspictures.Butshelikedancingverymuch.Whensheisdancing,sheisveryhappy.
(意思是,我有一个笔友,她叫Heien,她有时会在河里游泳,有时会在房间里跳舞,有时还会画画,她最喜欢跳舞了,当她跳舞时她最高兴了)
不知符不符合你的要求.