question 1. My grandfather died before I was born. I never met him. My grandfather died before I was born. I have never met him. @@@Which is natural? 2. The rich man has bought a supercar to his wife since their marriage. @@@Is this sentence natural? 3. I’ve been thinking about our relationship and I think we’re just too different. I’ve thought about our relationship and I think we’re just too different. @@@Which is natural?