1. used to express a conditional or hypothetical situation
Usage: often used in if-clauses
2. used to express a polite request or offer
Usage: more polite than ‘will’
3. used to express past habitual actions or states
Usage: describes repeated past actions

Examples

• If I had money, I would buy a car.
• Would you please help me with this?
• She would visit her grandmother every Sunday.
• I would rather stay home tonight.
• What would you do in this situation?
• Would you like some coffee?
• He said he would call later.