i am work permit holder i can drive in Singapore

You'd have to be at least 14 to get have a paying job, and even then your guardians would have to sign a work permit for you.

To obtain a UK work permit you need to apply for one on the UK work permit website.
You can apply for a UK work permit by submitting an application on the UK work permit website.

If you get the UK work visa then the work permit is not given to US so you need a work permit for US.

To furnish a work permit you must, visit your school counselor and ask for a work permit. Your counselor will help you. The permit will need to be signed by both school and work. The work will then file it.