used 的几种用法的区别sth.be used to do sth.be used for doing sb.be used to doing sb.used to do用自己的语言概括,不要复制粘贴的,不要太抽象的,易懂最好,

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used的几种用法的区别sth.beusedtodosth.beusedfordoingsb.beusedtodoingsb.usedtodo用自己的语言概括,不要复制粘贴的,不要太抽象的,易懂最好,

used 的几种用法的区别sth.be used to do sth.be used for doing sb.be used to doing sb.used to do用自己的语言概括,不要复制粘贴的,不要太抽象的,易懂最好,
used 的几种用法的区别
sth.be used to do
sth.be used for doing
sb.be used to doing
sb.used to do
用自己的语言概括,不要复制粘贴的,不要太抽象的,易懂最好,

used 的几种用法的区别sth.be used to do sth.be used for doing sb.be used to doing sb.used to do用自己的语言概括,不要复制粘贴的,不要太抽象的,易懂最好,
1.sth.be used to do 某物被用于做谋事
2.sth.be used for doing (介绍)某物的用途
3.sb.be used to doing 某人习惯于做谋事
4.sb.used to do 某人过去.