What are the two main types of questions?
In English, there are two main types of questions: yes/no questions and wh- questions. Yes/no questions are questions where the answer is simply 'yes' or 'no'. Wh- questions ask for more information using special question words like 'what', 'where', 'who', 'when', 'why', and 'how'. Understanding the difference between these two types helps you ask clear questions and communicate better in English.
Yes/No questions explained
Yes/no questions start with an auxiliary verb (such as 'do', 'does', 'is', 'are', 'can', or 'will') before the subject. The answer to a yes/no question is usually 'yes' or 'no', often followed by a short answer. For example: 'Do you like coffee?' — 'Yes, I do.' or 'No, I don't.' These questions are useful when you want to confirm information or ask simple yes/no choices.
Wh- questions explained
Wh- questions start with a question word (what, where, who, when, why, how) followed by an auxiliary verb and then the subject. These questions ask for specific information and require a longer answer than 'yes' or 'no'. For example: 'Where do you live?' — 'I live in London.' or 'What does she do?' — 'She is a teacher.' Use wh- questions when you want to learn details about something.
Yes/No Questions vs Wh- Questions: Side-by-Side Comparison
| Dimension | Yes/No Questions | Wh- Questions |
|---|---|---|
| Form | Auxiliary verb / modal + subject + main verb (e.g. Do/Does/Did/Is/Are/Can + subject + verb) |
Wh- word + auxiliary verb + subject + main verb (e.g. What/Where/When/Why/Who/How + do/does/did + subject + verb) |
| Question Word | No question word used; begins directly with an auxiliary or modal verb. | Always begins with a wh- word: what, where, when, why, who, whom, which, whose, how. |
| Word Order | Auxiliary verb is inverted before the subject. Subject + verb → Auxiliary + subject + verb |
Wh- word comes first, followed by auxiliary inversion. Wh- word + auxiliary + subject + verb |
| Expected Answer Type | A short confirmation: Yes or No (sometimes followed by a brief explanation). | A detailed, open-ended answer providing specific information (a name, place, time, reason, etc.). |
| Purpose | To confirm or deny a fact; check understanding; seek agreement or permission. | To gather specific information about a person, thing, place, time, reason, manner, or quantity. |
| Positive Example | "Do you speak English?" "Is she coming to the party?" |
"Where do you live?" "What time does the train leave?" |
| Negative Example | "Don't you like coffee?" "Isn't he your brother?" |
"Why don't you come with us?" "Who didn't finish the homework?" |
| Question Example | "Can they solve the problem?" "Have you finished your work?" |
"How did they solve the problem?" "When have you finished your work?" |
| Key Signal Words | Auxiliary/modal verbs at the start: do, does, did, is, are, was, were, have, has, had, can, could, will, would, shall, should, may, might | Wh- words at the start: what, where, when, why, who, whom, which, whose, how, how much, how many, how long, how often |
| Intonation Pattern | Typically rising intonation at the end of the question, signalling that a confirmation is needed. | Typically falling intonation at the end of the question, signalling that specific information is sought. |
| Common Mistakes | Forgetting to invert the auxiliary verb (e.g. saying "You are ready?" instead of "Are you ready?"). | Omitting the auxiliary verb after the wh- word (e.g. saying "Where you live?" instead of "Where do you live?"). |
| 🔑 Key Difference: Yes/No questions require only a simple yes or no response and begin with an auxiliary or modal verb, making them ideal for confirming facts or seeking agreement. Wh- questions, by contrast, always open with a wh- word (what, where, when, why, who, how, etc.) and demand a detailed, informative answer — they are used whenever the speaker needs specific information rather than mere confirmation. | ||
Formula
? Question
Auxiliary verb
+
Subject
+
main verb
+
object?
Does he like pizza?
Examples
Do you speak English?
Yes/No question · Present tense
Yes, I do.
Short answer to yes/no question
Where are you from?
Wh- question · Asking for location
I am from Spain.
Answer to wh- question
What time does the train arrive?
Wh- question · Asking for specific information
Who is your best friend?
Wh- question · Asking about a person
When to use it
Classroom learning
Teachers and students use yes/no questions to check understanding quickly. Wh- questions help explore topics in more depth.
"Do you understand this lesson?" or "What is the main idea?"
Everyday conversation
Yes/no questions help confirm simple facts. Wh- questions help you get to know people better.
"Are you coming to the party?" or "Why do you like that book?"
Professional situations
Both types are important at work for gathering information and making decisions.
"Can you finish this project today?" or "When is the deadline?"
Signal words
What
Where
When
Who
Why
How
Which
Whose
Do
Does
Did
Is
Are
Was
Were
Can
Could
Will
Would
Common Mistakes
✕
Wrong
You do speak English?
✓
Correct
Do you speak English?
In yes/no questions, the auxiliary verb must come before the subject, not after it.
✕
Wrong
Where you live?
✓
Correct
Where do you live?
Wh- questions need an auxiliary verb (do, does, is, are, etc.) between the question word and the subject.
✕
Wrong
What you like?
✓
Correct
What do you like?
The auxiliary verb 'do' is necessary in the present tense for wh- questions with action verbs.
✕
Wrong
Do you are happy?
✓
Correct
Are you happy?
Use 'are' for present tense questions with 'you' and an adjective. Do not use both 'do' and 'are' together.
KEY TAKEAWAYS
What to Remember
- Yes/no questions start with an auxiliary verb like 'do', 'does', 'is', or 'are'.
- Wh- questions use special question words: what, where, who, when, why, and how.
- Yes/no questions have only two possible answers: yes or no.
- Wh- questions ask for specific information, not just a simple yes/no answer.
- Both question types require the auxiliary verb to come before the subject.