When we want to know the quantity or amount of something, we ask questions starting with How much and How many.
當我們想知道某物的數量時，我們經常以How much和How many開頭.
HOW MUCH ...? - (數量)
How much用於不可數名詞。
HOW MUCH + 不可數名詞
How much time do we have to finish the test?
How much money did you spend?
How much sugar would you like in your coffee?
How much paper will I need?
How much milk is in the fridge?
How much traffic was there on the way to work?
If the verb To Be is used with an uncountable noun, it is in singular form (= IS or WAS etc.)
如果動詞To be用於一個非可數名詞，它應該是單數形式（=IS或WAS等）。
HOW MUCH ...? - (價格)
How much can also be used when we want to know the PRICE of something.
當我們想知道某物的價格時，我也可以用How much。
In this case, we can use How much with countable nouns (both singular and plural nouns).
在這種情況下，我們可以將How much與可數名詞連用（可以是單數形式也可以是複數形式）。
How much is that painting?
How much are those shoes?
How much did your jacket cost?
How much is the dress on display in the window?
How much will it cost me?
How much does it cost ?
HOW MANY ...? - (數量)
How many is used when we want to know the QUANTITY of something.
當我們想知道某物的數量時，我們用How many 。
It is only used with plural countable nouns.
這時只能使用可數名詞的複數形式。
HOW MANY + 複數形式的可數名詞
How many days are there in January?
How many people work in your company?
How many cousins do you have?
How many books did you buy?
How many countries are there in the world?
How many students are in the class right now?
How many chairs are there in this room?
How many pieces of chocolate would you like?
Omitting the noun 省掉名詞
Often the noun is omitted in the question when it is obvious what we are talking about.
當很明顯知道我們談論的是什麼時，談論的對象（名詞）通常可以在問句中省略。
A: I would like to buy some cheese.
B: How much (cheese) would you like?
The noun cheese is not necessary after how much since we already know we are talking about cheese. In fact, it is normally omitted to avoid sounding repetitive.
how much後的這個名詞cheese是不必要的，因為我們已經知道我們在談論cheese。實際上，這也是正常的，這是為了避免聽起來重複。
更多例子:
A: I need some coins.
B: How many do you need?
A: I need some sugar.
B: How much do you need?
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