核心问题
He left home very early ____ be late for the meeting.
A. not so as to B. so as not to
我选了A,对吗?
词典解答
应当牢记:动词不定式的否定式是 not to do(参见infinitive , gerund , not )。故上题答案为 B。再如：
-
I'll have everything ready so as not to keep you waiting. 我会把一切都准备好，使你不必等候。
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She is whispering in order not to wake the children. 她轻声说话,为的是不把孩子们吵醒。
练习题
请做下面的英语试题：
- I'll have to have my watch mended, ____ late again tomorrow.
A. not so as to be B. so not as to be C. so as not to be D. so as to be not
- The background music in an assembly line is designed ____. A. not being listened to B. being not listened to C. not to be listened to D. to be not listened to(全国六级,95.1-47)