It depends on what you mean by a "provisional" license. Typically that is reserved for someone who has lost a license because of violations such as driving while impaired. If you have lost a license...
check with your local motor vehicle department for a website
You can drive with any family member in the car. Examples: siblings, cousins, aunts, and uncles.
No Sorry mate
Providing that you are in compliance with ALL the requirements of the provisional license, yes.
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