请高人帮我看看英文语法有没有错误
Inform2,myschoolresultisnotsogoodtoo.But,afterIhadgotmystudyplan,myschoolresultwasfastimprove.Anddoyourhomeworkperday.Itisveryimportant!Ifyouhaveanyquestionaboutit,youshouldaskyourclassmatesinthesameday.AndifyouhaveanyproblemsaboutscienceandEnglish,youcanwritemealetterorsende-mail.Iwillhelpyoutosolve.
还有就是
AndImademyplanningchart.
AndImademyplanofstudy.
这两句,哪句对,哪句比较好.