I already do my best!

I already do my best! I WILL DO MY BEST 请问 I DO MY BEST 请问 I DO MY BEST I -------- already ---------(do) my homework at home （ok,i will do my best! Do my best to do what I want to do! No matter what I do,I will do my best I will do my best to do for our future I try my best to do my work.中文意思 I have heard from my best friend already 如何改为一般疑问句啊? I must do my best not to try my best和I must do my best not try my best哪个对? My homework ___(do) already I will do my best to teach my students well I will do my best 这段不理解 do my best to do my best to I will try my best to do it From today.I do my best to have a change.