1, I think it is better to stay at home today.
2. in my opinion this film is more interesting
3. to my mind we should join another sports club
4. if i am not mistaken he is the best sportsman in our class
5. i think the weather is nice today
6.in my opinion he should study maths
7. to my mind we would better go by train
8. if i am not mistaken he lives in another flat