cuando usa : How long...?
How much.... ? (in the case of Countable/Uncountable Nouns)
How many .... ? (Countable/Uncountable Nouns)
How far ...?
How fast... ?
Please , tomorrow it's my exam I need Improve, thanks for your attention :D More light for you
Here are some more:
How often do you buy new clothes?
How much cheese should I put on the pizza?
How many students are there in your class?
How far is the beach from here?
How fast can you cycle?
Ahora es tu turno, Melysa. You write six sentences, and we'll tell you if they're right. OK?
Some examples off of the top of my head are:
How often does this bus go by? How often do you have English classes?
How much do cherries cost? How much luggage can you bring?
How many diamonds are there in that ring? How many pieces of furniture do you own?
How far is Brazil from Peru? How far did you run yesterday?
How fast can you run? How fast does your cellphone battery run out?