1主语+was/were doing when...2主语+was/were about to do when...3主语+had/hadn't done for some time各举一个例子吧
问题描述：
1主语+was/were doing when...2主语+was/were about to do when...3主语+had/hadn't done for some time
各举一个例子吧
答
主语+was/were doing when。。。过去正在做某事突然 例句：i was cooking when the door bell rang.
主语+was/were about to do when... (过去）正要去做某事突然 i was about to water my garden when the phone rang.
主语+had/hadn't done for some time 好一段时间没有做某事 i had not contacted her for ages .
答
1.主语+was/were doing when...（过去） .发生时 主语 正在做某事I was doing my homework when she walked in.她进来的时候我正在做作业.2.主语+was/were about to do when...（过去).发生时 主语 将要做某事I was ...