Exercise 40.1: Past simple or present perfect

Please decide if each sentence is correct or incorrect. Select True if it is correct and False if it is incorrect.

Example: He has not done his homework yet.
Answer: True.

1. I was so worried that I am not sleeping for three days.

True False

2. I studied English before, so it is easy for me to understand.

True False

3. John has promised to take me to the hockey game today.

True False

4. I went to Saskatchewan twice last year.

True False

5. I've eaten octopus. It's good.

True False

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