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.
- I think it’s true
- She left without saying goodbye.
- I’m not used to drinking such strong coffee.