有在网上看到happen to 碰巧基本句式为:1.sb.+ happen+to do 2.it +happen+that+sb.+doeg.I happened to meet him yesterday.=It happened that I met him yesterday.昨天我碰巧遇见了他我想问,It happened that I met him yesterday.中met 要不要改meet?为什么两个句子里meet时态不同?
弱弱的问一句:第二个句子不是主语从句么...