大学英语四级语法大全目录
mean to do 打算、想
mean doing 意味着
I mean to go, but my father would not allow me to.
我想去，但是我父亲不肯让我去。
To raise wage means increasing purchasing power.
赠加工资意味着增加购买力。
2018年6月四级语法用法辨析：according to的用法
英语四级语法用法辨析：according to的用法
1. 主要用来表示“根据”某学说、某书刊、某文件、某人所说等或表示“按照”某法律、某规定、某惯例、某情况等：
According to the timetable, the train gets in at 8: 27. 根据时刻表，火车8:27进站。
According to the weather forecast, we shall have rain tomorrow. 根据天气预报，明天会下雨。
According to John there will be a meeting next week. 据约翰说，下星期有个会议。
Each man will be paid according to his ability. 每个人将根据他的能力获得报酬。
2. 表示“根据”、“按照”时，主要用来引出状语，一般不用来引出表语：
这本书是根据一个真实故事写的。
正：The book is based on a true story.
误：The book is according to a true story.
当它表示“合乎”、“符合”时，可用来引出表语：
It is not according to his nature to give praise. 他本性不喜欢颂扬。
3. 其后一般不接 view (看法) 和 opinion (意见) 这类词，也不接表示第一人称的代词 (me, us)：
正：In my opinion, the film is wonderful. 依我看，这部电 影很不错。
误：According to my opinion, the film is wonderful.
误：According to me, the film is wonderful.
英语四级语法：so as to
大学英语四级语法大全目录
1) 表示目的;它的否定式是so as not to do。
Tom kept quiet about the accident so as not to lose his job.
汤姆对事故保持沉默是为了不丢掉他的工作。
Go in quietly so as not to wake the baby.
轻点进去，别惊醒了婴儿。
2) so kind as to ---劳驾
Would you be so kind as to tell me the time?
劳驾，现在几点了。
From:https://www.zgghmh.com/CET-4/20000976.asp