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Today´s topic is the world question "how" :) :)
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You can use "how" either to describe the method of doing something or talk about quantity, age, distance etc.
Let´s see some examples?
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How much - refers to the amount of things or a price (uncountable nouns)
How much time do you have to finish the test?
How many - refers to the number of people, things (countable nouns)
How many people live in this city?
How often - refers to how many times something happens in a particular period of time
How often do you visit your grandmother?
How far - refers to how great a distance is
How far is the bus stop from here?
How old - refers to the age of someone or something
How old are you?
How fast - refers to the ability to move quickly
How fast is your internet connection?
How well - refers to a good, proper, or positive way
How well do you know The Beatles?
Do you want to practice it? Click here :)
sources:
Macmillan Dictionary
Merriam- Webster
WoodWard English