If you find yourself in an emergency situation in Canada and need to communicate in English, here are some essential phrases that may be helpful:

1. Call 911: This is the emergency number in Canada for police, fire, and ambulance services.

2. Help!: A simple and direct way to communicate that you need assistance.

3. Where is the nearest hospital/police station?: This phrase will help you locate the nearest hospital or police station.

4. I need an ambulance/police officer/firefighter: These phrases can be used to request emergency services.

5. My name is ____: Use this phrase to identify yourself in an emergency situation.

6. I am hurt/sick: This phrase communicates that you are injured or ill.

7. I cannot breathe/ I am choking: These phrases communicate that you are having difficulty breathing or that you are choking.

8. Can you please call someone who speaks my language?: If you are having difficulty communicating in English, this phrase can be used to request assistance from someone who speaks your language.

9. Where is the nearest phone?: This phrase can help you locate a phone if you do not have one with you.

10. Thank you: A polite way to express gratitude for assistance received.

Remember that in an emergency situation, staying calm and focused is essential. These phrases can help you communicate your needs and receive the necessary assistance.