英语短文改错!Time and tide wait no man .My mother is becoming a mi

Time and tide wait（for） no man .My mother is becoming（is becoming变为has become 因为become不用于进行时） a middle-age（middle-aged） woman quietly .She had （has）been busy running （looking）after us all the years .My father is verybusy every day outside .But （So）the heavy burden falls on my mother's shoulder（shoulders） .Bacause my school is far from my home ,I have to go to school by the（去掉the） train and my mother sees me off at the station every time .I often choose a seat where（which） is close to the window,so I can see her .However,I always can't help run（running） tears from my eyes.All the buildings and pepole outside the window disappear .I wave gentle（gentlely） to my mother and I look at her till the view of her back disappears .Up tonow ,even if he（she） is busy ,she still does it as usual .The view of my mother's back will never change in my heartdow 暂时就只能改这些了,