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语法
Clauses and linking A1 A2

Basic connectors: and, but, or, so, because

Join ideas with simple coordination and reason/result links in everyday sentence order.

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图解

Connector = relationship signpost

[idea 1]  CONNECTOR  [idea 2]
          ↓
   What is the link?

and      = add
but      = contrast / surprise
or       = choice
so       = result
because  = reason

Reason/result map:
[reason] ──so──────▶ [result]
I was hungry, so I made a sandwich.

[result] ─because──▶ [reason]
I made a sandwich because I was hungry.

Choose the connector by the job: add, contrast, choose, result, or reason.

Introduction

Small words that link ideas

Basic connectors let you put small ideas into one clear sentence instead of speaking in separate pieces. They show how the second idea relates to the first: addition, contrast, choice, result, or reason. In everyday English, they usually sit between the words or clauses they connect. Start with one connector at a time and keep the order simple: idea first, connector, next idea.
Core 语法 A1 词汇 A1 Neutral

I need a coat and a hat.

And joins two similar noun phrases.

语块拆解

按语块读句子，别逐词读哦。

a coat
item_a
the first thing added
and
addition_connector
adds another similar item
整体记忆
a hat
item_b
the second thing added
Core 语法 A1 词汇 A1 Neutral

We can wait or leave now.

Or joins two choices.

语块拆解

按语块读句子，别逐词读哦。

wait
choice_a
the first possible action
or
choice_connector
offers another possibility
整体记忆
leave now
choice_b
the second possible action
Core 语法 A1 词汇 A1 Neutral

I stayed inside because it was raining.

Because introduces the reason.

语块拆解

按语块读句子，别逐词读哦。

stayed inside
main_action
what happened
because it was raining
reason_link
gives the reason for the action
整体记忆
Core logic

Choose the connector by its job

Each connector has a job. And adds something of the same kind. But adds a different or surprising idea. Or gives a choice. So introduces a result. Because introduces a reason. If you can name the relationship before you speak, the connector becomes easy to choose. Ask: am I adding, changing direction, choosing, giving a result, or giving a reason? This practical meaning is more important than memorizing a long rule.
Core 语法 A1 词汇 A1 Neutral

She bought apples and oranges.

And adds another thing of the same kind.

语块拆解

按语块读句子，别逐词读哦。

apples
item_a
the first thing bought
apples and oranges
addition_pair
a reusable pattern for adding two nouns
整体记忆
Contrast 语法 A1 词汇 A1 Neutral

The room is small, but it is clean.

But changes direction from a negative detail to a positive detail.

语块拆解

按语块读句子，别逐词读哦。

small
first_description
the first description
but it is clean
contrast_link
adds a contrasting positive idea
整体记忆
Question 语法 A1 词汇 A1 Neutral

Do you want tea or coffee?

Or is the normal connector for a choice question.

语块拆解

按语块读句子，别逐词读哦。

Do you want
question_frame
starts a simple choice question
tea or coffee
choice_pair
a reusable choice phrase
整体记忆
Core 语法 A1 词汇 A1 Neutral

The train was late, so we took a taxi.

So points forward to the result.

语块拆解

按语块读句子，别逐词读哦。

The train was late
cause
the situation or cause
so we took a taxi
result_link
introduces the result
整体记忆
Core 语法 A1 词汇 A1 Neutral

He left early because he felt ill.

Because points to the reason behind the action.

语块拆解

按语块读句子，别逐词读哦。

He left early
main_action
what happened
because he felt ill
reason_link
gives the reason
整体记忆
Core pattern

The basic linking pattern

Use the same simple pattern for all five connectors when you join two clauses: first idea + connector + second idea. The connector belongs between the ideas, not at the end. Connectors can also join shorter matching parts of a sentence: nouns with nouns, verbs with verbs, adjectives with adjectives, or phrases with phrases. Keep the two sides grammatically similar when you can; this makes the sentence easier to understand and easier to say.
Core 语法 A1 词汇 A1 Neutral

I opened the door and turned on the light.

And can join two actions with the same subject.

语块拆解

按语块读句子，别逐词读哦。

opened the door
action_a
the first action
opened the door and turned on the light
joined_actions
two actions joined in one sentence
整体记忆
Contrast 语法 A1 词汇 A1 Neutral

She is tired but happy.

But can join two contrasting adjectives.

语块拆解

按语块读句子，别逐词读哦。

tired
description_a
the first description
tired but happy
contrasting_description
two different descriptions held together
整体记忆
Core 语法 A1 词汇 A1 Neutral

You can pay now or pay later.

Or can join two verb phrases as options.

语块拆解

按语块读句子，别逐词读哦。

pay now
option_a
the first option
pay now or pay later
option_pair
two action options joined by or
整体记忆
Negative 语法 A1 词汇 A1 Neutral

I'm not hungry or thirsty.

After a negative, or can mean neither one.

语块拆解

按语块读句子，别逐词读哦。

not hungry
negative_state
the first negative description
not hungry or thirsty
negative_pair
means neither hungry nor thirsty
整体记忆
Contrast

So vs because

So and because are often confused because both connect a reason and a result. The difference is direction. So points forward to the result. Because points to the reason. Do not normally use because and so for the same link in one simple sentence. The information can be the same, but the connector tells the listener which part is the reason and which part is the result. Use one clear connector first; add more complex linking later.
Contrast 语法 A1 词汇 A1 Neutral

I was hungry, so I made a sandwich.

So connects reason first, then result.

语块拆解

按语块读句子，别逐词读哦。

I was hungry
reason
the reason or cause
so I made a sandwich
result_link
introduces the result
整体记忆
Contrast 语法 A1 词汇 A1 Neutral

I made a sandwich because I was hungry.

Because connects result first, then reason.

语块拆解

按语块读句子，别逐词读哦。

I made a sandwich
result
the result or action
because I was hungry
reason_link
introduces the reason
整体记忆
Mistake 语法 A1 词汇 A1 Neutral

Because I was hungry, so I made a sandwich.

Because and so should not both mark the same reason-result link in one simple sentence.

Corrected 语法 A1 词汇 A1 Neutral

Because I was hungry, I made a sandwich.

When because starts the sentence, the main clause follows without so.

语块拆解

按语块读句子，别逐词读哦。

Because I was hungry
front_reason
the reason placed first
整体记忆
I made a sandwich
result
the main clause after the reason
Sentence xray

How the listener follows the link

Look inside the link. In a sentence with so, the first clause usually gives the situation, so signals the result, and the second clause gives the action that follows. In a sentence with because, the main idea can come first, and because explains why. Both orders can be correct, but they guide attention differently. So usually feels like movement from cause to consequence. Because feels like support: it gives the explanation behind the main idea.
Core 语法 A1 词汇 A1 Neutral

The baby is sleeping, so please speak quietly.

So moves from a situation to a result or request.

语块拆解

按语块读句子，别逐词读哦。

The baby is sleeping
situation
the situation or reason
so please speak quietly
result_request
the result or requested action
整体记忆
Core 语法 A1 词汇 A1 Neutral

Please speak quietly because the baby is sleeping.

Because gives the reason after the main idea.

语块拆解

按语块读句子，别逐词读哦。

Please speak quietly
request
the requested action
because the baby is sleeping
reason_link
the reason for the request
整体记忆
Usage rules

Everyday order and punctuation

Punctuation is helpful but should not be the main problem at A1/A2. When and, but, or, so, or because joins two complete clauses, a comma is common before but and so, and possible before and or or when the sentence is longer. No comma is needed when the connector joins short words or phrases. You can begin a sentence with because if the sentence has a complete main clause after it; in writing, put a comma after the front reason clause.
Danger zone

Common danger zones

Three common mistakes come from choosing the wrong relationship. First, do not use and when the meaning is a choice; use or. Second, after a negative, or often means neither one. Third, do not leave so or because hanging at the end when you need a full connection. Also avoid piling connectors together just because both feel logical. In simple English, one clear connector is usually better than two.
Mistake 语法 A1 词汇 A1 Neutral

I don't drink coffee and tea.

This can sound like you do not drink the two together. Use or if you mean neither one.

Corrected 语法 A1 词汇 A1 Neutral

I don't drink coffee or tea.

After a negative, or is the usual connector for neither one.

语块拆解

按语块读句子，别逐词读哦。

don't drink
negative_verb
the negative action
coffee or tea
negative_choice_pair
means neither coffee nor tea after the negative
整体记忆
Summary

Connector checklist

Choose the connector by the job, not by habit. And adds; but contrasts; or offers a choice; so gives a result; because gives a reason. For two full ideas, use idea 1 + connector + idea 2. For shorter parts, join matching nouns, verbs, adjectives, or phrases. Remember the key contrast: so looks toward what happens next, because looks back to why it happens. Keep early sentences short and natural. If a sentence feels heavy, split it into two sentences first, then join only the ideas that truly belong together.
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