用if将下列句子合并为一个含状语从句的复合句

题目

用if将下列句子合并为一个含状语从句的复合句
1、She works hard.She passes the exam.
2、It won't rain tomorrow.I will go finfsh.
3、He will come next Sunday.I will tell you.
4、You ride a bike to school.You save money and energy.

答案

1、If she works hard,she will pass the exam.
2、If it doesn't rain tomorrow,I will go finfsh.
3、If he comes next Sunday,I will tell you.
4、If you ride a bike to school,You will save money and energy.
if 引导的状语从句遵循‘ 主将从现’ 原则‘