过去式用双写的单词-搜答案-搜搜做题作业网

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

ained

let的过去式和过去分词都和原形一样,还是let

过去式weighed

pasttense

drankswamsawfoundatemetcamedidtooksaidsatranmadelostgavespokecaughttaught

过去式是phoned

am,is----was;are----were;do----did;go----went;say----said;write----wrote;get----got;live----lived;li

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

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

过去式是说在英语当中都有动词,而且句子也都有自己发生的时间,若果句子表达的是过去的事件,那么动词就应该用相应的过去式.如write-wrote-writtten等.

played

failedretorted

washed

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

【AAA型】：costcostcostcutcutcutputputputreadreadreadsetsetsetshutshutshuthithithithurthurthurtletletlet

am/is,wasare,weregivegave,gowent,come,cameSitsat,havehad,get,gotSeesaw,read,readdo,dideat,atetelltol

stayedstudiedopenedenjoyedstartedranreadvisitedworncutflewdrewlistenedplayed以y结尾的单词：若是前面紧连着元音字母则直接加e

/D/过去式的单词

A.原形与过去式和过去分词完全相同.cost----cost----costcut----cut----cutput----put----putlet----let----letset----set-

解题思路：“丢”的英文单词是“throw”,它的过去式是threw.解题过程：“丢”的英文单词是“throw”,它的过去式是threw.最终答案：略