ofen与sometimes在用法和意义上的区别?请指教,

Question

ofen 与sometimes在用法和意义上的区别?
请指教,

Answer 1

often意为"经常
如:Li Ping often does his homework in the afternoon.李平经常在下午做作业.
sometimes意为"有时候",频度比often小,表示动作偶尔发生,间断较大.
如:1.I sometimes go to the library.我有时去图书馆.
2.Sometimes I read a book in the evening.我有时在晚上看书.
often在句中习惯上位于be动词、助动词之后,行为动词之前.
如:She is often late for school.她上学经常迟到.
2.He often goes to bed at about 12.他通常(午夜)十二点钟睡觉.
sometimes是个特殊的频度副词,既可以放在be动词、助动词之后,行为动词之前,也可以放在句首,还可以放在句尾.
如:
1.I sometimes think that it is a great mistake.我有时想这是一个大错.
2.Sometimes I help my mother in the house.有时候我帮助妈妈做家务.