Spot the mistakes (1)

Which of these sentences are grammatically incorrect? Correct the mistakes.

1. Catherine doesn’t really like living on her own.

2. I think is true.

3.  Gary’s married to a nurse.

4. They found the book boring.

5. She left without say goodbye.

6. I’m not used to drink such strong coffee.

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Answers

1. ✅
2. I think it’s true
3. ✅
4. ✅
5. She left without saying goodbye.
6. I’m not used to drinking such strong coffee.