1、If it doesn't rain tomorrow,we will go there by bike.如果明天不下雨,我们就骑自行车去那里.
2、If I get there early,I can see the doctor quickly.如果我早早地到那里,我就可以快点看病.
3、It might help a little if only you would keep clean.
4、If you left at ten, you should arrive in time.
5、I couldn't be angry with him if I tried.
6、If i were you ,I would/could/should/might do that.
7、If i had know that yesterday,I would/could/should/might have told you .
8、If it should rain ,the crops would/could/might be saved
9、If I am free,I will go to see you.