求助急短文改错mr.white and his wif decides to paint the outside of

求助急短文改错
mr.white and his wif decides to paint the outside of their house. to save money they wanted to do it himself.on saturday morning thy have bought some paint and two brushes.that afternoon they began from the back of the house.the next saturday mr.white went to a football match while his wife painted the front of the house.on sunday they found them could not open any of the front window.they got them all open in the end,but they broke three of seven and they were very expensive to repairing.next time when t hey trytosave money,they'll certainly pay for someone to do the work.