IX.

1. People didn't use to buying entrance tickets to get into the museum in the past.

2. I wish people didn't be indifferent to each other.

3. My mother suggested that we visit our grandparents and cook something good to have dinner together.

4. My father said that that amusement park would have been open to public before we move to the new place.

5. It is so excellent of my youngest brother to having won two scholarships from two famous universities in Australia.

VI. 

1. She can't speak English well.

2. I am not a doctor to save people. 

3. I don't have more time to look after my family.

4. Marriages aren't arranged by parents anymore.

5. I wish I knew how to speak Japanese.