1）修飾形容詞或副詞時(shí)，通常放在前面。
2）當(dāng)句子的謂語動(dòng)詞是行為動(dòng)詞時(shí)，頻度副詞一般放在謂語動(dòng)詞之前。句中有be或助動(dòng)詞、情態(tài)動(dòng)詞時(shí)，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）程度副詞修飾形容詞或副詞，通常放在被修飾的形容詞之前。但是enough總是放在所修飾的形容詞或副詞之后。
【例如】
The boy didn't work hard enough. He is quite diligent. But his achievement is not good enough.
4）only的位置比較靈活，修飾哪個(gè)詞，就放在哪個(gè)詞的前面，以示強(qiáng)調(diào)。
【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.
