意志動詞通常有5類
1.建議:suggest, recommend, advise,propose
2.要求:ask, demand, require, request
3.命令:order, command
4.規定:rule
5.主張: advocate ; maintain
以上意志動詞後接that子句時,that子句中的主詞之後恆使用助動詞should,且should可省略,保留之後的原形動詞
I proposed that the meeting be postponed until next Friday.
To increase efficiency, the president demanded that we change the operating system and update most of the software we use.
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