| Form | Example | |
|---|---|---|
| Question words | What · Who · Where · When · Why · How · Which | Who called? |
| Word order | Question word + auxiliary + subject + verb? | Who lives here? |
| How + word | old/much/many/often/long/far | Who did you call? |
| Much vs many | much = uncountable · many = countable | Who do you live with? |