这个句子对吗?I could have bought a car if i had had much money.

这个句子对吗?I could have bought a car if i had had much money. if i had had the money last year,i would have bought the hou if I had the money,I would have bought the DVD player. I have bought a car.这个句子正确吗? i don't have much money on me but i gave them_____ i had a、o I would (buy a car for my father)if i had lost of money对括号里疑 这个句子对吗if I had three day"s life I would meet some people tha 英语虚拟语气例句：虚拟：If I had much money ,I would buy a book.事实.As I If I had had enough money,I should have boght it. If I had known that,I could have helped you.had和known怎么都是过去式 I have bought the car还是 I have had the car 为啥具体点 不是现在完成时不能加短 i feel sick because i had a headache .这个句子后面用过去时对吗?