forget 后加原型还是to do sth

forget 后加原型还是to do sth make后动词原型还是加to must 后面是加to do sth.还是do sth. must 后面是加do sth.还是 to do sth. the best way to do sth is后加doing还是to do? use后加to do sth please后加什么形式?（to do?原型） please 后面加to do,doing,还是原型 began后面加动词原型还是to do think about 后加doing sth.还是 do sth. forget doing sth 和 forget to do sth的区别 would like to do sth加上and,后面加to do sth还是do sth啊