used to be used 后面加什么

used to be used 后面加什么 used to be后面加什么词 be used to同get used to同used to 噶区别.仲有to后面加什么? be used to后面加do还是doing We are less credulous than we used to be.这句话里面used后面为什么要加to be be used to后加什么词性? be used to后加什么 帮忙用used to 和be used to造句!每个造10个!提示：used to只用于一般过去时态中；be used to可用于任何时态,to后面要加动名词. be used for be used to be used from区别 used to／be used to／be used for的区别 be used for doing,be used to do,be used as,be used in,be used to doing,used to be used to与have used to used to be used to be翻译 I used to be used to be to be used used to be