动词过去式和过去分词应怎样变化?答:1. 把动词原形中的o改为a,变成过去式.过去分词不变.如:become—became, come—came 2.把动词原形中的i改为a,变成过去式.如:begin—began,drink—drank,give—gave,ring—rang,sing—sang,sit—sat,swim—swam ,sink—sank,3.把重读开音节中的i改为o,变成过去式.如:drive—drove,ride—...
写出下面动词的过去试ride答:不规则动词的过去式的构成 1.把动词原形中的i改为a,变成过去式.如:begin—began,drink—drank,give—gave,ring—rang,sing—sang,sit—sat,swim—swam 2.把重读开音节中的i改为o,变成过去式.如:drive—drove,ride—rode,write—wrote 3.改动词原形中的aw /ow为ew,变成过去式.如:draw—...