题目内容：

If you should need more information,please tell me.怎样倒装?急~
还有四句：That day,just as the broadcast said,a heavy storm came down.
The farmer blew a whistle and all the pigs ran off.
As soon as he left the office the telephone started ringing.
We were surprised when the door opened and the principal walked in .

优质解答

If you should need more information,please tell me.
Should you need more information,please tell me.
That day,just as the broadcast said,a heavy storm came down.
Just as the broadcast said,that day came down a heavy storm.
The farmer blew a whistle that there ran off all the pigs .
No sooner than did he leave the office ,the telephone started ringing.
We were surprised that,no sooner than did the door open ,there walked in the principal .