1）修饰形容词或副词时，通常放在前面。 2）当句子的谓语动词是行为动词时，频度副词一般放在谓语动词之前。句中有be或助动词、情态动词时，放在其后。 【例如】 i often go to the cinema on weekend with my husband. i can hardly understand him for what he said was really confusing.have never been abroad until now. 3）程度副词修饰形容词或副词，通常放在被修饰的形容词之前。但是enough总是放在所修饰的形容词或副词之后。 【例如】 the boy didn't work hard enough. he is quite diligent. but his achievement is not good enough. 4）only的位置比较灵活，修饰哪个词，就放在哪个词的前面，以示强调。 【例如】 i only saw john yesterday. i didn't see his wife. i have bought two kilos of potatoes only. only in the afternoon, can you borrow books from the university library. 本文来源：https://www.wddqw.com/doc/8cb48b70bf23482fb4daa58da0116c175f0e1ec7.html