Question

be used by ,be used for,be used to 有什么区别?

Answer 1

”x0d“used to加不定式”表示过去常常干某事,现在不在干了.x0d例如:I used to go to work by bus.Now I take a taxi.x0dShe used to be very shy.x0d“be used to doing”表示习惯于干某事x0d▲ be used for意为“（某物）被用做……”其后接名词、代词或动名词.如：x0d（1）This kind of bamboo can be used for water pipes .这种竹子可用作水管.x0d（2）A knife can be used for cutting bread .刀可用来切面包.x0dbe used to do sth.也可表示“（某物）被用做……”,但其后接动词原形.如：x0d（3）A hammer is used to drive nails .锤子是用来敲钉子的.x0d提示：be used as相当于be used for的用法.如：