1. Finland is the most beautiful country in the world.
Perttu says
a) that Finland is the most beautiful country in the world.
b) that Finland was the most beautiful country in the world.

2. Finnish boys are cute.
Karin said
a) that Finnish boys are cute.
b) that Finnish boys were cute.

3. I have never seen so many trees.
Lars said
a) that he has never seen so many trees.
b) that he had never seen so many trees.

4. I think Finns are very honest.
Jim thinks
a) that Finns are very honest.
b) that Finns were very honest.

5. We will have a great time on holiday.
Heather said
a) that they will have a great time on holiday.
b) that they would have a great time on holiday.