1.If it doesn’t rain tomorrow,we will go hiking.
如果明天不下雨,我们就去远足.
2.You will get good grades if you study hard.
如果你努力学习,就会取得好成绩.
3.I will go to the party unless he goes there too.
我会去参加聚会的,除非他也去.(如果他不去,我就去.)
4.You will be late unless you leave immediately.
如果你不马上走,你将会迟到的.(=If you don’t leave immediately,you will be late.)
难点提示：用条件状语从句时要注意时态的正确使用,当主句是将来时的时候,从句要用一般现在时.
lHe will not leave if it isn’t fine tomorrow.
一般将来时,一般现在时
lThey are going to have a picnic if it doesn’t rain next week.
一般将来时,一般现在时
