often能放在句尾吗

often能放在句尾吗 I study English often.often可以放在句尾吗? often可以放在句尾麽? My grandfather often after dinner takes a walk.after dinner必须放在句尾吗? always、usually、often、sometimes放在句子的哪里? often是什么词,一般放在句子的什么位置? 肉放在冰箱能放多久 西瓜放在冰箱能放多久 冰毒能放在烟里吸吗 硬币能放在水里吗? because 能放在句首吗 thus 能放在句首吗 It's often cold in December,January and February.often 可以放在句尾么 It's cold in December,January and February often often不是副词么 主格能放在句尾吗?能放在句尾吗?为什么名词后用宾格?（i do not konw them) usually,often的用法是把usually,often放在句子中是加ing还是s还是原型 my mother often eats in a restaurant改为否定句,often应该放在doesn't前面还是后面? There often isn't money for education.中often 不是应该放在be 动词,助动词,情态动词后吗? she smiles often.often是频率副词,应该放在实义动词前面,这里怎么理解?