The word "купить" means "to buy." But it can mean different things based on when and how we use it.

Different Forms of "купить":

• Infinitive: купить (to buy)
• Present: покупаю (I buy), покупаешь (you buy)
• Past: купил (he bought), купила (she bought), купило (it bought)
• Future: куплю (I will buy), купишь (you will buy)

How We Use "купить":

1. Simple Purchase:
   • Я хочу купить книгу.
   • (I want to buy a book.)
2. Planned Purchase:
   • Я собираюсь купить машину.
   • (I plan to buy a car.)
3. Suggesting to Buy Something:
   • Давай купим что-нибудь вкусное.
   • (Let’s buy something tasty.)

Understanding these different forms can help us tell what we want to buy and when we want to buy it.