(a) He rushed to the bus stop to board the bus.-- OK
(b) The coach was teaching the children how to swim.-- OK but redundant as it stood
(c) He hung his coat on the coatstand.-- OK
(d) He likes to eat bananas but dislikes durians.-- OK
(e) The baseball player is throwing the ball.-- OK
(f) He tried to fix the photo into the frame.-- OK
(g) How much does a box of chocolate cost?-- OK
Great work, Vincent!