什么是 “decide to do”?
“Decide to do” 表示“决定去做某事”,后面接动词不定式(to + 动词原形)。
✅ I decided to study English abroad.
(我决定去国外学英语。)
(我决定去国外学英语。)
✅ They decided to cancel the meeting.
(他们决定取消会议。)
(他们决定取消会议。)
什么是 “decide on”?
“Decide on” 表示“就……做出决定”,后面通常接名词、代词或动名词(-ing 形式),强调对某个选项或方案的选定。
✅ We decided on a new car.
(我们决定买一辆新车。)
(我们决定买一辆新车。)
✅ She hasn’t decided on a university yet.
(她还没决定上哪所大学。)
(她还没决定上哪所大学。)
注意:虽然“decide on + doing”在口语中偶尔出现,但正式写作中更推荐使用“decide to do”表达动作。
两者对比总结
| 结构 | 后接成分 | 含义重点 | 例句 |
|---|---|---|---|
| decide to do | 动词不定式(to + V) | 决定执行某个动作 | He decided to quit his job. |
| decide on | 名词 / 代词 / 动名词(较少) | 选定某个对象或方案 | They decided on pizza for dinner. |
常见错误提醒
- ❌ I decided on go to the party.(错误:介词后不能直接跟动词原形)
- ✅ 正确应为:I decided to go to the party.
- ❌ We decided the movie.(缺少介词)
- ✅ 正确应为:We decided on the movie.
小测试(自测理解)
请选择正确的句子:
-
a) She decided on travel to Japan.
b) She decided to travel to Japan. -
a) They decided on a new strategy.
b) They decided a new strategy.
答案:1-b, 2-a