KET考点:forget to do sth. 忘记去做某事 用法、考试重点、常见错误
KET考试中 “forget to do sth.”(忘记去做某事) 的完整解析,涵盖用法、考试重点、常见错误及对比辨析:
一、基本用法与定义
“forget to do sth.” 表示 “忘记要去做某事(动作未发生)” ,强调应做而未做的行为。
核心区别:
forget to do sth.
:动作未发生(未做)forget doing sth.
:动作已完成但被遗忘(已做)例句:
“The light in the office is still on. He forgot to turn it off.”(办公室灯亮着,他忘记关灯了 → 未关灯)
“He forgot turning the light off.”(他忘记自己已经关灯了 → 已关灯但遗忘)
常见句型:
肯定句:描述未完成的动作
“I forgot to call my mother yesterday.”(昨天我忘记给妈妈打电话)
否定祈使句:提醒不要忘记
“Don’t forget to turn off the lights before you leave.”(离开前别忘了关灯)
疑问句:确认是否忘记
“Did you forget to lock the door?”(你忘记锁门了吗?)
二、考试重点(KET高频考点)
1. 与forget doing sth.
的辨析
核心区别:动作是否发生(未做 vs. 已做)。
例题:
“The homework is still here. I __ to hand it in.”
A. forget doing \ B. forgot to do
答案:B(未交作业)
2. 常考搭配与句型
祈使句:”Don’t forget to…”(KET高频句型)
“Don’t forget to buy me some ketchup on your way back.”(回来时别忘了买番茄酱)
与
remember
对比:remember to do sth.
:记得要做某事(未做)remember doing sth.
:记得做过某事(已做)
3. 时态应用
过去时:描述已发生的遗忘(e.g., “I forgot to bring the book.”)
现在完成时:强调遗忘的持续性(e.g., “I have forgotten to pay the bill.”)
三、常见错误分析
1. 混淆to do
与doing
的逻辑意义
错误示例:
❌ “I forgot doing my homework.”(误用:实际想表达”忘记做作业”,但此句意为”忘记做过作业”)
✅ 正确:”I forgot to do my homework.”(忘记做作业 → 未做)
解析:学生常因中文思维混淆动作状态,需强化”to do=未做,doing=已做”的规则。
2. 误用同义词替换
以下近义词需注意语境差异:
短语 | 含义 | 区别 |
---|---|---|
miss doing sth. | 错过机会 | 强调时机问题,非单纯遗忘 |
fail to do sth. | 未能完成 | 包含遗忘或其他障碍 |
neglect to do sth. | 疏忽/故意不做 | 含责任意味 |
错误示例:
❌ “I missed to call him.”(应为missed calling)
✅ “I forgot to call him.”(单纯忘记)
3. 时态与动词形式错误
错误:在祈使句或将来时中用
doing
形式
❌ “Don’t forget calling me.”
✅ “Don’t forget to call me.”错误:混淆过去分词形式(英式:
forgot
/forgotten
,美式通用)
四、KET备考建议
强化对比训练:
通过例句区分
to do
与doing
:“She forgot to turn off the light.”(灯未关)
“She forgot turning off the light.”(灯已关但遗忘)重点掌握祈使句:
“Don’t forget to + 动词原形”为固定考点,需熟记。
真题演练:
例题(选自中考真题):
“—Where is your homework?
—I __ to bring it here.”
A. forget doing \ B. forgot to do
答案:B(未带作业)
五、同义表达扩展(KET非重点,供能力提升)
表达 | 例句 | 适用场景 |
---|---|---|
fail to do | “He failed to submit the report.”(未提交报告) | 强调结果失败 |
neglect to do | “She neglected to inform us.”(疏忽未通知) | 含责任疏忽 |
omit to do | “They omitted to sign the form.”(有意省略) | 刻意不做 |
总结:KET考试中, “forget to do sth.” 的核心在于区分动作状态(未做),重点掌握与doing
形式的对比、祈使句应用及常见错误规避。结合真题训练可显著提升得分率。
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