几个If条件句的时态问题
问题描述：
几个If条件句的时态问题
1.My boy never (disturbed) me if he( noticed) that I was working.
2.He told me to read it myself if I( didn’t believe) what he (had said/said).
3.If she (is) not the kind of girl he (wants),why doesn’t he find a new one?
4.If the car (has been) badly damaged,why (don’t) you send it to the garage?
请问上述题目的空出为何要用这个时态，
答
1和2用过去式是表示虚拟,即句子的内容和现在的实际情况相反.
3和4用现在时表示一般情况,没有虚拟.