Here is the setup. The bulbs are fluorescent balanced for daylight.
Mode: Portrait; ISO: 400; Shutter; 1/60; F-Stop: 5.6; Built in flash - on.
Mode: Portrait; ISO: 400; Shutter; 1/60; F-Stop: 5.6; Built in flash - on.
Mode: AE; ISO: 400; Shutter; 1/60; F-Stop: 5.6; Built in flash - on.
Mode: AE; ISO: 400; Shutter; 1/60; F-Stop: 5.6; Built in flash - off. Note the light coming thru the backdrop.
Mode: AE; ISO: 400; Shutter; 1/60; F-Stop: 5.6; Built in flash - off. I added a black sheet over the background to block the light.
Mode: AE; ISO: 400; Shutter; 1/30; F-Stop: 54.5; Built in flash - off.
Mode: AE; ISO: 400; Shutter; 1/30; F-Stop: 5.6; Built in flash - off.
Mode: AE; ISO: 800; Shutter; 1/30; F-Stop: 5.6; Built in flash - off.
As you can see I need to practice more. I would have taken more but my subject was getting restless.