if条件句用法八项注意

1.注意if条件状语从句的时态同时间状语从句一样,要用一般现在时代替一般将来时。例如:If you fail in the exam,you will let himdown.如果你考试不及格,你会让他失望的。If it is fine next Sunday,we shall have aspring outing.如果下星期日天气好,我们就去春游。