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语法
Verbs and tense B1 B2

Causative and permissive structures

Show that someone causes, lets, helps, or arranges an action with make, let, help, have, and get.

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图解

Causative and permissive structures: controller → doer → action

CONTROL MODEL

[controller]
(the one that causes/allows/arranges)
      │
      │  make = force/cause
      │  let  = allow
      │  help = assist
      │  have/get = arrange
      ▼
[doer] ──> [action]

Action form after the doer:
make / let / have  → action word (no to)
get                → to + action word
help               → action word OR to + action word

The noise made me jump.
My parents let me use the car.
I got Sam to check the numbers.

If the doer is not named:
[controller] --have/get--> [thing] --done-form--> [result]
He had his hair cut.

Think controller → doer → action; the control word decides the meaning and whether you use to.

Introduction

Causing, allowing, helping, arranging

Causative and permissive structures show that one person, event, or situation makes another action happen, allows it, helps it happen, or arranges it. The grammar is useful because the real doer of the action is not always the subject. In The noise made me jump, the noise is the cause and I do the jumping. In My parents let me use the car, they give permission and I use the car. These structures are common in daily English, especially with make, let, help, have, and get.
Core 语法 B1 词汇 A2 Neutral

The noise made me jump.

Make shows that the noise caused an involuntary action.

语块拆解

按语块读句子，别逐词读哦。

The noise
cause
the thing that causes the reaction
made me jump
causative_relation
make plus object plus base verb shows a caused reaction
整体记忆
Core 语法 B1 词汇 A2 Neutral

My parents let me use the car.

Let shows that permission was given.

语块拆解

按语块读句子，别逐词读哦。

My parents
permission_giver
the people who give permission
let me use the car
permission_frame
let plus object plus base verb shows permission
整体记忆
Core logic

The four roles

Think of the sentence as four roles: influencer, relation, actor or affected thing, action/result. The relation verb tells us the kind of control: make means cause or force, let means permit, help means assist, have means assign or arrange, and get means persuade or arrange. In I got Sam to check the numbers, I arranged or persuaded, Sam did the checking, and check the numbers is the action. In She helped her brother carry the boxes, she assisted; her brother still carried them. First identify who starts the action, then who actually does or receives it.
Core 语法 B1 词汇 A2 Neutral

I got Sam to check the numbers.

Get someone to do something often suggests effort, persuasion, or successful arrangement.

语块拆解

按语块读句子，别逐词读哦。

I
arranger
the person who arranged or persuaded
got Sam to check the numbers
get_person_to_action
get plus person plus to-infinitive shows persuasion or arrangement
整体记忆
Core 语法 B1 词汇 A2 Neutral

She helped her brother carry the boxes.

The helper assists, but the brother still performs the carrying.

语块拆解

按语块读句子，别逐词读哦。

She
helper
the person who assists
helped her brother carry the boxes
help_person_action
help plus object plus base verb shows assistance
整体记忆
Core pattern

Make, let, and help

With make, let, and help, the next action is usually a base verb, not to plus verb. Use make someone do something for strong cause, pressure, or an unavoidable result: The film made her cry. Use let someone do something for permission or non-interference: They did not let us enter. Use help someone do something for assistance: Can you help me move this table? Help is flexible, so help someone to do something is also correct and a little more explicit: Can you help me to move this table?
Core 语法 B1 词汇 A2 Neutral

The film made her cry.

Use the base verb after active make.

语块拆解

按语块读句子，别逐词读哦。

The film
cause
the cause of the emotion
made her cry
make_person_action
make plus object plus base verb shows a caused reaction
整体记忆
Negative 语法 B1 词汇 A2 Neutral

They did not let us enter.

Negatives go on let, while enter stays in base form.

语块拆解

按语块读句子，别逐词读哦。

did not let us enter
permission_denial
negative let shows refused permission
整体记忆
Question 语法 B1 词汇 A1 Neutral

Can you help me move this table?

Help can be followed by a base verb.

语块拆解

按语块读句子，别逐词读哦。

Can you help me move this table
request_frame
a common question frame with help plus object plus base verb
整体记忆
Core 语法 B1 词汇 A1 Neutral

Can you help me to move this table?

With help, to is optional and often slightly more explicit.

语块拆解

按语块读句子，别逐词读哦。

Can you help me to move this table
request_frame_with_to
the same help frame with optional to
整体记忆
Core pattern

Have and get for arrangements

Have and get often mean arranging an action, but their forms differ. Have someone do something means you assign, request, or organize the action: I had the assistant book the flights. Get someone to do something often suggests persuasion, effort, or successful arrangement: We got the landlord to repair the heater. For services and results, use have or get plus thing plus past participle. The person who does the work may be unknown or unimportant: He had his hair cut. She got her phone fixed yesterday. This pattern focuses on the result, not the worker.
Core 语法 B1 词汇 A2 Neutral

I had the assistant book the flights.

Have someone do something is useful for assigning or arranging work.

语块拆解

按语块读句子，别逐词读哦。

I
assigner
the person who assigns or organizes the task
had the assistant book the flights
have_person_action
have plus person plus base verb shows assignment or arrangement
整体记忆
Core 语法 B1 词汇 A2 Neutral

We got the landlord to repair the heater.

Get someone to do something uses to before the action verb.

语块拆解

按语块读句子，别逐词读哦。

We
arrangers
the people who arranged or persuaded
got the landlord to repair the heater
get_person_to_action
get plus person plus to-infinitive shows successful arrangement
整体记忆
Core 语法 B1 词汇 A1 Neutral

He had his hair cut.

The sentence focuses on the service result, not the person cutting the hair.

语块拆解

按语块读句子，别逐词读哦。

He
service_receiver
the person who receives the service result
had his hair cut
have_thing_done
have plus thing plus past participle shows an arranged service
整体记忆
Core 语法 B1 词汇 A2 Neutral

She got her phone fixed yesterday.

Get something done is common in everyday speech for repairs and services.

语块拆解

按语块读句子，别逐词读哦。

She
arranger
the person who arranged the service
got her phone fixed
get_thing_done
get plus thing plus past participle shows an arranged result
整体记忆
yesterday
time
when the arrangement happened
Sentence xray

Sentence X-ray

Sentence X-ray helps you see the moving parts. The storm made us cancel the picnic breaks into The storm, made us, cancel the picnic. The core learning chunk is made us cancel: a cause pushed people into an action, so cancel stays a base verb. We got the printer repaired breaks into We, got the printer, repaired. The core chunk is got the printer repaired: we arranged a repair, and repaired is a past participle because the printer received the action. In these frames, do not change the second verb for tense; tense belongs to made or got.
Core 语法 B1 词汇 A2 Neutral

The storm made us cancel the picnic.

The subject is the cause; us are the people who cancel.

语块拆解

按语块读句子，别逐词读哦。

The storm
cause
the outside cause
made us cancel the picnic
caused_people_action
make plus object plus base verb shows cause
整体记忆
Core 语法 B1 词汇 A2 Neutral

We got the printer repaired.

The printer receives the repair; the repairer is not named.

语块拆解

按语块读句子，别逐词读哦。

We
arranger
the people who arranged the repair
got the printer repaired
get_thing_done
get plus thing plus past participle shows arranged result
整体记忆
Contrast

Do it yourself or arrange it?

The closest confusion is between doing an action yourself and arranging for it to be done. I washed the car means I did the washing. I had the car washed means someone else probably washed it for me, and I organized the service. A second important contrast is permission versus pressure. They let me leave early means they allowed it. They made me leave early means they required it or caused it. Let usually feels like an open door; make feels like a push. Choose the verb that matches the relationship, not just the final action.
Contrast 语法 B1 词汇 A1 Neutral

I washed the car.

This is direct action, not a causative service arrangement.

语块拆解

按语块读句子，别逐词读哦。

washed the car
direct_action
the subject did the action directly
整体记忆
Contrast 语法 B1 词汇 A1 Neutral

I had the car washed.

The subject arranged the washing; someone else probably did it.

语块拆解

按语块读句子，别逐词读哦。

had the car washed
service_arrangement
have plus thing plus past participle shows arranged service
整体记忆
Contrast 语法 B1 词汇 A1 Neutral

They let me leave early.

Let means I was allowed to leave.

语块拆解

按语块读句子，别逐词读哦。

let me leave early
permission
let shows permission
整体记忆
Contrast 语法 B1 词汇 A1 Neutral

They made me leave early.

Make means they required it or caused it.

语块拆解

按语块读句子，别逐词读哦。

made me leave early
pressure_or_cause
make shows pressure, requirement, or cause
整体记忆
Form variations

Tense, negatives, questions, passives

Only the first verb carries tense, negatives, questions, and modals. The action after make, let, have, and usually help stays in base form; the action after get someone is to plus base verb; the service/result pattern uses a past participle. In negative and question forms, place the auxiliary before the causative verb, and keep the inner pattern unchanged. In passive forms, there are two practical notes: active make someone do something becomes be made to do something, with to returning; passive let is normally replaced by be allowed to. This avoids awkward forms such as was let to.
Danger zone

Danger zone: mixed patterns

Common errors come from mixing the patterns. Mistake: She made me to wait. Corrected: She made me wait. After active make, use object plus base verb. Do not copy the get pattern into make, let, or have. Also do not use a base verb after get someone when the meaning is persuade or arrange; use to plus base verb. With have or get plus thing plus past participle, check that the thing receives the action. Had the report checked is different from had the assistant check the report: one focuses on the report, the other names the worker.
Mistake 语法 B1 词汇 A1 Neutral

She made me to wait.

After active make, do not use to before the action verb.

Corrected 语法 B1 词汇 A1 Neutral

She made me wait.

The corrected sentence uses the base verb wait after made me.

语块拆解

按语块读句子，别逐词读哦。

made me wait
correct_make_pattern
make plus object plus base verb is the correct active pattern
整体记忆
Summary

Quick choice guide

Quick choice guide: use make when a cause, rule, or person pushes an action; use let when permission is given; use help when someone supports the action; use have someone do something when you assign or arrange work; use get someone to do something when persuasion or effort is involved; use have or get something done when the object receives a service or result. The key memory point is form control: make, let, have, and help usually take a base verb; get someone takes to; service causatives take a past participle.
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