Contractions in English: Don’t, Won’t, I’m and More
Quick Answer
A contraction joins two words into one shorter word with an apostrophe: do not → don’t, I am → I’m. The apostrophe (‘) stands exactly where the missing letters used to be.
Contractions You Hear Every Day
Native speakers use contractions in almost every sentence. Look how they are built:
- I am tired. → I’m tired. (The apostrophe replaces the a.)
- She is here. → She’s here. (The apostrophe replaces the i.)
- We do not know. → We don’t know. (The apostrophe replaces the o.)
- They have finished. → They‘ve finished. (The apostrophe replaces ha.)
Did you see the pattern? Two words become one, and the apostrophe marks the exact spot where letters disappeared.
| Full form | Contraction | Full form | Contraction |
|---|---|---|---|
| I am | I’m | do not | don’t |
| you are | you’re | cannot | can’t |
| he is / he has | he’s | will not | won’t |
| it is / it has | it’s | is not | isn’t |
| they are | they’re | should not | shouldn’t |
| we have | we’ve | would not | wouldn’t |
The Rules — and the One Rebel: Won’t
Most contractions follow one simple rule, but one famous word breaks it:
- Normal rule: keep the words, drop some letters, add an apostrophe. → is not → isn’t.
- The rebel: will not → won’t (not “willn’t”!). It comes from the old English form wonnot.
- Use them in speech, messages, and friendly emails. In very formal writing (contracts, academic essays), write the full forms.
Easy way to remember: the apostrophe stands exactly where the missing letters used to be: do not → don’t.
The Rule in One Line: A contraction = two words joined into one; the apostrophe marks the missing letters.
How to Use Contractions in Everyday English
- “I’m on my way — don’t start without me!” (Two contractions in one message.)
- “She can’t come tonight; she‘s working late.” (cannot / she is.)
- “We’ve been friends for ten years.” (we have.)
- “He won’t answer his phone.” (will not.)
- “It’s raining again.” (it is.)
You are doing great. Now let’s look at the mistakes many learners make.
The Two Contraction Mistakes Everyone Makes
These two mix-ups are so common that native speakers make them daily on social media — you are in good company.
✗ “Its raining outside.” (its = possession, no apostrophe)
✓ “It’s raining outside.” (it’s = it is)
✗ “Your welcome!” (your = belonging to you)
✓ “You’re welcome!” (you’re = you are)
How to remember: say the full form out loud. If “it is” or “you are” fits, use the apostrophe: it’s, you’re. If not, no apostrophe.
Test Yourself: Contractions
Choose the correct answer for each sentence. Click Check to see if you are right.
1. What is the contraction of “will not”?
2. “_______ raining — take an umbrella!”
3. “Thanks for the gift!” — “_______ welcome!”
4. What is the contraction of “they are”?
5. “You _______ park here — it’s not allowed.”
Keep Going — You Are Building Something
You just learned how English contractions work — including the rebel won’t. Your English will sound more natural immediately.
Contractions squeeze letters out of words. But did you know some English nouns are always plural? You can never have one trouser or one scissor. Why not?
Next lesson: Plural-Only Nouns: Why You Can’t Have One Trouser
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My name is Khamis Maiouf. I am the creator of the English Teacher Site, dedicated to providing valuable resources and insights for students around the world. With a passion for education and a commitment to helping students enhance their skills, I aim to make English teaching more effective and enjoyable for both educators and students.
