英语 语法 句法 从句I could tell that if the stars were suns,they had to be very far away.1.请分析句子结构,主、从句怎么看?2.宾语从句“if the stars were suns,they had to be very far away”怎么解释?

问题描述:

英语 语法 句法 从句
I could tell that if the stars were suns,they had to be very far away.
1.请分析句子结构,主、从句怎么看?
2.宾语从句“if the stars were suns,they had to be very far away”怎么解释?