二、邏輯類詞匯：就是因為所以不但而且這一類的詞，表原因的because, because of, for, as, due to, owing to, in that, now that, according to, 表結(jié)果的therefor, so, as a result, consequently, eventually, 表遞進的apart from, in addition, furthermore, what’s more, moreover,etc。

　　三、最高級詞匯：形容詞和副詞的最高級永遠是最需要關(guān)注的，most importantly, the most popular... the biggest of.。。

　　四、事實羅列詞匯：在這些詞匯后就是關(guān)鍵和重要的事實性息，actually, in fact, as a matter of fact,etc。

　　五、序數(shù)詞后面，最重要的是the first, firstly and finally。

　　六、情態(tài)動詞：sb.has got to, can , could, may, might, need,should, ought to,etc。

　　七、重要形容詞：表示重要的詞，important, crucial, chief,major,significant, the only, unique, essential, necessary, vital, etc。