第1个回答 2009-01-20
按顺序:
work works working worked
run runs running ran
say says saying said
make makes making made
buy buys buying bought
第2个回答 2009-01-20
单词 第三人称单数 现在分词 过去式
work works working worked
run runs running ran
say says saying said
make makes making made
buy buys buying bought
第3个回答 2009-01-20
work works working worked
run runs running ran
say says saying said
make makes making made
buy buys buying bought
就是这样啦
第4个回答 2009-01-20
works working worked
runs running ran
says saying said
makes making made
buys buying bought