remember to do sth. 记得要去做某事 （还没做） remember doing sth. 记得做了某事 （已经做了） forget to do sth. 忘记去做 （还没做） forget doing sth. 忘记做了 （已经做了） forget / remember + doing 表做过的事 forget / remember + to do 表将要做的事
remember to do 是记得要做的事 remember doing 是记得已经做了的事 forget to do是忘记还没做的事 forget doing 是忘记己经做了的事
答：remember to do 意思是记住去做某事,表示这件事情还没有做. Eg: Remember to turn off the lights when ...详情>>
答：I haven't window molding catalogs on hand. catalogs 产品目录 haven't ~ something ~ o...详情>>
问：working hard vs. hard working
答：there are no defferent.详情>>
