英语翻译1 我们需要的是更多的时间,2 我还没有决定是否参加下午的会议,3 使我吃惊的是他昨天没有来,4 我不知道他什么

What we need is more time。其中What we need从句做主语,这是主语从句I haven't decided if/wether I will attend the meeting this afternoon。其中if/wether I will attend the meeting this afternoon做decide的宾语,所以是宾语从句两中表达：1) It suprises me that he didn't come here。这里用It作为形式主语,真正的主语是that从句,叫主语从句2} What suprises me is that he didn't come here。其中What suprises me在句中做主语,可以成为主语从句。that he didn't come here在句子作为表语,又可成为表语从句I don't know when he will return。其中when he will return作为know的宾语,是宾语从句After the accident, he can't remember what happened to him before。其中what happened to him before作为can't remember的宾语,叫宾语从句