If only I had 5 million dollars(希望有500万，但实际上没有 和现实的客观情况不一样)
I wish I had 5 million dollars
If 引导的条件虚拟语气
If you came tomorrow, we‘ll have a party(完全有可能的)
if you came tomorrow, we would have a party(虚拟，明天是不回来的，知道明天确切的结果)
1.表达与现在的事实相反 // If +主语+过去式、were 主语+would do
if I were you, i should(只能使用 第一人称)/would(任何人称) study English
If he had time, he would attend the meeting.
2. 表达与过去的事实相反 if 主语+had done 主语+would have done
If you had taken my advice, you would have succeeded. // 过去没有采取我的建议
If you had come yesterday, you would have met him.// 昨天没有来
// if you had studied hardly, you would have passed the exam.
3.与将来的事实相反 if +过去时/were to /should + would do
If you came tomorrow, we would have the meeting. // 与现在和将来的事实相反 用相同的结构
If it were to/should rain tomorrow, the meeting would be put off.
注意：
If she had more money, she would dress better
== had she more money
Had you been here earlier, you would have seen him.
Were i in school again, I would work harder.
4. Wihtout的虚拟
Without air, there would be no living things
Without your help, I wouldn‘t have succeeded
// Without the financial crisis, he would have become the richest man in China.
5.Wish/if only的虚拟
I wish/if only I had more money
If only/I wish were a bird
i wish/if only i had taken his advice
if only the train would stop
// 无法实现的愿望
i wish i could 无法实现的愿望
i wish i could dance
6. would rather 的虚拟
I would rather you paid me now/next time
I would rather she hadn‘t done that.
7. If it were not for及But for 的虚拟
if it were not for the rain, the crops would die
If it had not been for your timely help, i would have failed.
8.从句的虚拟
He demaned that she (should)start right now
we suggested that tom (should)hold a meeting
It is suggested that he should leave tomorrow
We all agreed to his suggestion that we should go to Beijing for sightseeing.
suggest/propose/recommend/advice/maintain/hold/urge/insist/maintain/ask/request/require/demand/desire
9.虚拟语气的固定表达
God bless you
May you succeeded
Long live our motherland
So be it
If need be // if necessory