【正文】 were here yesterday, you couldn’t help him. 　　注意：although/though 引導的從句不能與but連用，但可與yet, still連用。 　　because“因為”語氣最強，回答why提問時只能用because,其引導的從句可放在句首或句末。 　　Not only the mother but also the children are ill. 　　：but, however, yet, still,while等。 　　Both Jim and Kate are from England. 　　B、both…and…否定句表示部分否定。當主句謂語動詞是瞬間動詞時，主句用否定式，從句用肯定式，即not….until, 譯為“直到……才”。 　　It was very cold, so that the water in the bowl froze. 　　He got there so early that he got a good seat. 　　It is such a heavy box that nobody can move it. 　?。?as…as…(與……一樣),not as/so… as…(不及，趕不上),和than(比)等。 　　She isn’t either a student or a teacher. 　　3)whether…or…不管…還是… 　　She is always cheerful, whether at home or at school. 　?。篺or(因為)，so(所以)。本文格式為Word版，下載可任意編輯高中英語語法知識之連詞講解 高中英語語法知識之連詞講解 　　一。 　　Either you or I am right. 　　Does either she or they like English? 　　B. 由either…or…引導的否定句是完全否