in start write a formula and then write about Conditional sentence its type with 4 example

Sure, here we go:

1. Formula: A formula is a concise way of expressing information symbolically or a rule or principle expressed in algebraic language. For example, in mathematics, the formula for the area of a circle is A=πr².

2. Conditional Sentences: Conditional sentences are often divided into different types.

   a. Zero Conditional: We use the zero conditional to talk about things that are always true, like a scientific fact. Example: "If you heat ice, it melts."

   b. First Conditional: We use the first conditional to talk about possible future events. Example: "If it rains, I will stay at home."

   c. Second Conditional: We use the second conditional to talk about hypothetical, unlikely, or unreal future events. Example: "If I won the lottery, I would buy a house."

   d. Third Conditional: We use the third conditional to talk about hypothetical past events. Example: "If I had studied harder, I would have passed the exam."