帮忙检查这句英语有没有错误

In the next level,I want to keep doing what I used to do.
used to do :过去做某事 He used to be quiet.现在的状况就不一定了,强调过去
be used to doing:习惯做某事 I am used to taking shower after supper.主语一般是人,
be used to do,既一般地被动,被用来干什么..Knives are used to cut food.主语大多时候是物,也可以是人