The adverb ‘how’ asks for the manner or the way something is done.
Sentence structure:
How + helping verb + subject + main verb + rest of the sentence?
Examples:
How does she teach English?
How did you make this pie?
When asking about the condition or quality of something.
Sentence Structure:
How + verb BE + Subject+ rest of the sentence?
Examples:
How are you?
How was your exam?
It is also used with other words to create different types of questions.
Examples:
How many | Asking for the quantity with countable nouns | How many cats do you have? How many pairs of shoes does she have? |
How much | Asking for the quantity with uncountable nouns Asking for the price with countable nouns | How much milk do you want in your coffee? How much money did you save? How much is this shirt? How much are those sweaters? |
How often | Asking for the frequency | How often do you play padel? How often do you visit her? |
How far | Asking for the distance | How far is the school from here? How far away is the gym from the train station? |
How old | Asking for the age | How old are you? How old is Marta? |
How long | Asking for the duration or the amount of time something takes. | How long did you live in Madrid? How long is the movie? |