AEIS语法不是简单地多练习就可以解决的，尤其是对于AEIS入学考试涉及的各种语法点和争议点，需要通过一定的技巧获取和知识累计。本文中国AEIS考试服务将汇总整理AEIS语法考试中常出现的有争议的语法难题，整理规则技巧，为大家每日讲解。本篇内容为enough to do/so as to的用法。

　　AEIS语法大百科每日语法点：enough to do/so as to 的用法说明

　　以“so...that”引导的结果状语从句可以转换成不定式的简单句，即可转换为“...enough to...”句型，但这种转换必须符合下列条件：

　　1. 当主句和从句的主语一致，且that从句是肯定句时，可用“enough to do sth.”来转换。例如：

　　The man is so strong that he can lift the heavy box.→

　　He was clever enough to understand what I siad.

　　2. 当主句和从句的主语不一致，且that从句是肯定句时，可以用“enough for sb. to do sth.”来替换，但须注意不定式的宾语要省略。例如：

　　The question is so easy that I can work it out. →

　　The box is light enough for him to carry.

　　AEIS高频enough to do/so as to 用法实例讲解

　　Congress is debating a bill requiring certain employers provide workers with unpaid leave so as to care for sick or newborn children.

　　(A) provide workers with unpaid leave so as to

　　(B) to provide workers with unpaid leave so as to

　　(C) provide workers with unpaid leave in order that they

　　(D) to provide workers with unpaid leave so that they can

　　(E) provide workers with unpaid leave and

　　选项分析：

　　so as to要前后逻辑主语一致，即B选项错在care for sick or newborn children的逻辑主语是emloyers而不是workers

　　so as to 的主语是employers, 而D中‘they’ refers to workers...

　　care for sick or newborn children的主语肯定是workers.

　　所以其表达的意思应该是 employers给予不带薪假期以允许workers 照顾生病或新生的孩子。

　　所以最后答案是D

　　2017年新加坡AEIS考试已圆满落幕!想要了解2017年新加坡AEIS考试时间、新加坡美廉小学好不好以及新加坡锦明小学怎么样等信息的学生和家长，可以直接在线进行一对一咨询哦!