If you had studied hard before, you would be a college student now.
如果你以前努力学习的话,你现在就是一名大学生了。
主从句谓语动词形式取决于____________________
含蓄条件句
eg) But for the storm, I would have arrived much earlier.
要不是那场暴雨,我早就到了。
eg) Without your help, I wouldn’t have passed the driving test.
没有你的帮助,我就不会通过驾照考试。
Without__________
but for __________
or__________
otherwise__________
名词性从句中
宾语从句中
wish后面的宾语从句(通常表示不可能或没有实现的愿望)
eg) I wish I knew everything in the world.
要是我什么都懂就好了。
eg) We wish we had arrived there two hours earlier.
要是我们早到两个小时就好了。
eg) I wish we could go to the seaside someday.
我希望有一天我们能够去海边。
表示现在用__________
表示过去用__________
表示将来用______________________________
Disco
They demanded that the black people (should) be treated as well as white people.
他们要求黑人应该和白人一样被同等对待。