arribe单词的过去式是什么-搜答案-智慧作业帮

过去式（规则变化）1．在动词原形后加-ed2．以辅音字母+y结尾的动词,一般是加ed的.以下为常见的不规则动词过去式：1.costcostcost花费2.cutcutcut割,切3.hithithit

let的过去式和过去分词都和原形一样,还是let

jumped

过去式weighed

drankswamsawfoundatemetcamedidtooksaidsatranmadelostgavespokecaughttaught

过去式是phoned

us是名词,意思是公共汽车,所以没有过去式.答题实属不易,

danced

cleaned

sure的单词过去式

答：sureadj.确信的,确实的；有把握的；无疑的；一定的adv.当然；确实地；无疑地比较级：surer最高级：surest过去式一般指对动词来说的.意思是这个动作发生在过去或者已经发生了sure是

ushed

are!~~~~~~~~~~~~~~~~~~~~

failedretorted

teach——taughtcatch——caughtbring——broughtbuy——boughtthink——thoughtsell——soldpay——paidgrow——grewknow——

ecame

直接加ed

liveddislikedpaidturndopenedenjoyedwalkedvisitedhadarrivedtookpassedhopedsleptrelaxedshoppedgavegotw

Buyboughtbought动词原形过去式过去分词

kicked踢踢腿（kick的过去式和过去分词）赶出驱逐（kick的过去式和过去分词）戒除（毒瘾等）（kick的过去式和过去分词）

原形是bear,过去式是bore,过去分词是born