高中英语unit5period8grammar学案北师大版必修2

高中英语unit5period8grammar学案北师大版必修2内容摘要：

s beginning to fail. A． though B． for C． but D． so (4)since语气比 because弱，比 as强。 指人们已知的事实，意为 “ 既然 ” ，引导的从句常放在句首。 ________ you are leaving tomorrow， we can eat dinner together tonight. A． For B． Since C． Before D． While 四、结果状语从句 1．常见的连接词： so...that， such...that， so that等。 He didn’t finish his homework ， so (that) he was punished. 他没能完成作业，因而受到了惩罚。 2． so...that 与 such...that (1)结构形式 so＋adj./.＋ a/ an＋可数名词单数形式many/much/little/few＋名词＋ that... such＋a/an ＋ adj.＋可数名词 单数形式adj.＋可数名词复数形式 或不可数名词＋ that... There are so many stars in the universe that it is impossible to count them all. 宇宙里星星多得无法数清。 He made such an excellent speech that everyone admired him. 他作了个如此精彩的演讲以致于每个人都崇拜他。 (2)当 so或 such置于句首时，主句部分倒装。 Such a good boy is he that we all love him. 他是那么好的一个孩子，我们都喜欢他。 (3)在 so...that 句型中， that可以省略。 You walk so fast (that) I can’t keep pace with you. 你走得太快，我跟不上你。 五、目的状语从句 1．常见的连接词： so that， in order that， for fear that， in case等。 Take an umbrella with you for fear that it may。 2． so that与 in order that引导目的状语从句时，从句谓语动词常与 can， could，may， might， should， would连用。 They climbed higher so that they might/could get a better view of the city. 他们攀登得高一些，以便更好地观看全城。 3．目的状语从句与不定式的转换：当主句和从句的主语一致时，目的状语从句可以与in order to， so as to或表目的的不定式转换。 We’ll sit in the front of th e hall so that we can hear better.→We’ll sit in the front of the hall so as/in order to hear better. 我们要坐在大厅的前面，以便听得更清楚。