山西省高平市特立中学高一英语：必修二 Module2 No Drugs Grammar 课件-302edu教育资源网

2) 有时在不定式前面加上in order to 或 so as to, 否定式为 in order not to 和so as not to。

e.g. Let’s hurry so as to go to school on time. 我们快走，为了按时到校。

Let’s hurry so as not to be late for school.

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