If she was not in Paris, then it made sense it was not her that picked up the phone when I called her home.
-"... it made sense that it was not..."
If Bill was the governor of Kansas, then he had been the president from 1992 to 2000.
-"... then he was the president..."
I wondered if she were here.
-It should be 'was' instead of 'were.'
I asked if her sister was here.
-Okay.