Use of the imperative
You can use the imperative to give instructions, commands, advice or to invite:
1. To give instructions
• Push the button
• Turn right
2. To give commands
• Stop saying nonsense
• Don’t be late
3. To give advice
• Go to the hospital, you are sick
• Brush your teeth every day
4. To invite (politely)
• Please, have a sit
• Please, have a drink with me