1 use ...to do
eg:We use our eyes to see.
2 used to do
He used to get up early.他过去早起.
3 be/ get used to doing
He is getting used to getting up early 他习惯于早起.
4 be used to do = be used for doing 用来做…
Keys are used to open the door.
1 use ...to do
eg:We use our eyes to see.
2 used to do
He used to get up early.他过去早起.
3 be/ get used to doing
He is getting used to getting up early 他习惯于早起.
4 be used to do = be used for doing 用来做…
Keys are used to open the door.