Rewrite the following sentences beginning with the given words

Rewrite the following sentences beginning with the given words. 
1.You didn’t come home early so the house was broken into and things were stolen. Had_____________________________________________________.

2.He has never behaved so violently before.
Never _____________________________________. 

3. There is no situation in which we will allow the management to lower wages. 
Under _____________________________________. 

4. You can leave only when I tell you.
Not until______________________________________. 

5. The phone rang again as soon as I put it down.
Hardly ______________________________________.