引言
在英语学习中，“decide on” 和 “decide to” 都表示“决定”，但它们的结构和用法有明显区别。 混淆二者可能导致语法错误或表达不清。本文将通过结构分析、例句对比和小测验，帮助你彻底掌握它们的正确用法。
“decide to + 动词原形”
表示“决定去做某事”，后接 动词不定式（to do）。
She decided to study abroad.
They decided to cancel the meeting.
They decided to cancel the meeting.
✅ 结构： decide + to + verb (原形)
“decide on + 名词/动名词”
表示“就……做出决定”或“选定……”，后接 名词 或 动名词（-ing 形式）。
We decided on a new car.
He decided on going to Paris for vacation.
He decided on going to Paris for vacation.
✅ 结构： decide on + noun / gerund
⚠️ 注意：虽然“decide on + doing”在口语中常见，但在正式写作中更推荐使用“decide to do”。
常见错误对比
- ❌ I decided on to buy a laptop. → ✅ I decided to buy a laptop.
- ❌ She decided the restaurant. → ✅ She decided on the restaurant.
- ❌ They decided on travel tomorrow. → ✅ They decided to travel tomorrow.
快速小测验
请选择正确的句子：
💡 提示：两者在口语中都可能出现，但 B 更标准、更常用。