candice512 发表于 2008-2-11 22:11:11

<P>of course! "did"</P>

bluewater 发表于 2008-2-19 09:53:57

助动词没有过去式吧?do作为行为动词的过去式是did

txhsghj 发表于 2008-2-20 13:52:09

还是did

caokun 发表于 2008-10-21 15:40:00

很简单,当然是did!!!!!!!!

yyjj7 发表于 2008-10-24 10:56:53

感谢共享,多谢,辛苦!!!!!!!!!!!!!!!!!!

胖丫丫 发表于 2008-10-24 19:54:13

恩,我有一点电晕

mmmotsy 发表于 2008-10-25 10:15:28

靠   是教室吗?   ??????????????

穆夕雅 发表于 2008-10-25 10:48:01

did!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

mjk_0718 发表于 2008-10-27 20:14:07

did !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

qianpeishan 发表于 2008-10-28 15:32:25

是did 没错, 不会有什么问题地
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查看完整版本: do的过去式是did,那么does的过去式呢??