1. Of my parents, my father is the tallest one. (Correction: "tallest one" should be "taller.")
2. She gets the mark 10 for the Maths test, so she feels very happily. (Correction: "very happily" should be "very happy.")
3. Do you know how much does it cost to fly to Australia? (Correction: "does" should be removed.)
4. There is a vase of flowers on my mother table. (Correction: "mother" should be "mother's.")
5. What an awful weather! We can't go out to play volleyball as usual. (Correction: "weather" should be "day.")
6. London is famous of its parks, gardens and red buses. (Correction: "of" should be "for.")
7. My younger brother is keen on going boxing in the city club. (Correction: "going boxing" should be "boxing.")
8. Pelé is widely regarded like the best football player of all time. (Correction: "like" should be "as.")