Had I taken a taxi,I wouldn't have been late 为什么要把had放在i的前面这句话出自英语900句中的第680句,意思是：如果我打的去的话就不会迟到了.请问：在前半句中,为什么had在主语i的前面,又不是疑问

I had to took a taxi last改错 拜托拜托! I had taken a book 改为被动语态 I had taken a book 如何改为被动语态啊 I had savings bonds taken out as a payroll deduction. I had a picture taken this morning.也可以这样吗?I had taken a picture this morning. I didn’t have enough money _______ a taxi,so I had to walk _______ home Had I taken a taxi,I wouldn't have been late 为什么要把had放在i的前面这句话出自英语900句中的第680句,意思是：如果我打的去的话就不会迟到了.请问：在前半句中,为什么had在主语i的前面,又不是疑问 I had no money for a taxi.(同义句转换) I ___ ___ _I had no money for a taxi.(同义句转换) I ___ ___ ___ money for a taxi. i had to call a taxi because the box was heavier 英语翻译I had to take a taxi for the last seven miles my car didn't work yesterday,so I had to take a taxi to work i____ The buses were full;I _____ take a taxi there.had to/will? Sorry,I am late again.I ____ have taken a taxi to come here.A.need B.should C.will D.must（b） i walked home _____i had no money for taxi if i knew that i had taken out it I wonder when the accident ( )A.takes place B.has taken place C.had taken place D.took place I had to call a taxi because the box wasI had to call a taxi because the box was ______ than I’d expected这里的i'd 是什么的缩写 有什么用法 英语翻译i ’ll call a taxi