beusedto

used to do过去常常做某事 I used to be a young pioneer. I used to jog in the evening. be used to doing习惯于做某事 I"m used to drinking a cup of water after meal. He"s been used to living at the campus. be used to do（和前面两者没有可比性,意思是“被用来做某事”） This machine is used to clean the wall. This word is used to express a kind of animal.

一共是三个Be used to do 被用于，被用来做什么标准被动语态The box is used to be a rubbish can.这盒子被用来当垃圾桶。Be used to doing 习惯于I am used to Get up at six.我习惯于早六点起床used to do过去常做，但是现在不这么做了I used to Get up at six.我过去常常六点起床，（但是现在不这样了。）手打完毕，希望有帮助。

be used by 意思是“由（被）……使用。”，例如：All funds raised will be used by Children With Leukaemia.所有募集到的资金都将用于“白血病患儿”组织。used to 加不定式”表示过去常常干某事，现在不在干了。例如：I used to go to work by bus. Now I take a taxi.She used to be very shy.be used to doing 表示习惯于干某事，如：I"m used to having a cup of tea in the morning.我习惯早上喝一杯茶。be used for 意为“（某物）被用做……”其后接名词、代词或动名词。如：his kind of bamboo can be used for water pipes. 这种竹子可用作水管。A knife can be used for cutting bread. 刀可用来切面包。be used to do sth. 也可表示“（某物）被用做……”，但其后接动词原形。如：A hammer is used to drive nails. 锤子是用来敲钉子的。提示：be used as相当于be used for的用法。如：The girl is being used as a servant in the house. 这个女孩在家里被当做佣人使唤着。