Cách sử dụng
'Forty' is a number that comes after 39 and before 41. It is pronounced as "for-tee". We use 'forty' to describe a quantity or amount of something. For example, you might say "I have forty apples" meaning that you have 40 apples. It is also used to describe age, like when someone is celebrating their 40th birthday. Additionally, sometimes we use 'forty' in idiomatic expressions, like "life begins at forty" meaning that someone's best years are yet to come when they reach 40 years old.