make 和 let 后面都跟不带 to 的不定式,但意义上和用法上有区别。
| make sb. do 让(命令)带有一定的“强迫,迫使”的意思 | let sb. do 让(建议)提出建议、允许 |
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| She made the assistant bring almost everything in the window. | Let's take a taxi. Let's go. |
| The teacher made the boy write the exercise again. | Don' t let the children touch anything in th room please |
| make + 名词/代词 + do 迫使,致使(不带 to) | let+名词/代词 + do 允许(不带 to) |
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| be + made 被动语态含有"迫使,致使"必须带 to | let 祈使、建议、(大家一起)采取某一行动 |
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Verbs of Perception 感官动词(see, hear, watch, notice, feel 等)
- I saw him cross the street.我看见他穿过了马路。(强调看到全过程或动作已结束)
- We heard her sing in the next room.我们听见她在隔壁房间唱歌。
- I noticed a man enter the building suspiciously.我注意到一个男人鬼鬼祟祟地进入了大楼。
Causative Verbs 使役动词(make, let, have)
- My boss made me work overtime again.老板又让我加班了。
- Please let me know if you change your mind.如果你改变主意,请告诉我。
- I’ll have my secretary call you later.我会让我的秘书稍后给你打电话。
Semi-modal Phrases 半情态短语(had better, would rather)
- You had better tell the truth.你最好实话实说。
- I would rather stay at home than go out.我宁愿待在家里也不愿出去。
- We had better not wake the baby.我们最好别吵醒宝宝。
The "But/Except" Structure do nothing but/except 结构(当前面有 do 时,后面省 to)
- She did nothing but cry all day.她整天除了哭什么也没干。
- I had no choice but to wait.注意:若前面没有 do,to 必须保留。
- They did nothing except complain about the food.他们除了抱怨食物之外什么也没做。
The Flexible "Help" help 的特殊性(可带 to 也可以不带)
- Could you help me carry these bags?你能帮我提这些包吗?(省略 to 更口语化)
- Exercise helps reduce stress.运动有助于减轻压力。
- He helped to clean the kitchen.他帮忙清理了厨房。(带 to 也没错,但略显正式)
The "Why" Questions Why / Why not 引导的疑问句
- Why waste money on things you don't need?为什么要浪费钱买不需要的东西呢?
- Why not join us for dinner tonight?今晚为什么不和我们一起吃晚饭呢?
- Why wait until tomorrow?为什么要等到明天?
Passive Voice Trap 被动语态陷阱(还原 to 的特殊情况)
- He was seen to cross the street.注意:make, see, hear 在被动语态中必须还原 to。
- I was made to redo the whole project.我被迫重做了整个项目。
- The child was heard to cry for help.听到那个孩子在呼救。
本课不规则动词
| 原型 (Base Form) | 过去式 (Past Tense) | 过去分词 (Past Participle) |
|---|---|---|
| seek | sought | sought |