Both, first for present tense, and second for future tense.

It is good to be a practitional. U may be a proffession by theory and not by practical. When u're a proffessional by practical u're an expertise. A proffessional by theory however is a blockhead. So apprentiship enhance one 2be more skillful. Are u satisfy?

I think that u need 2 have apprenticeship in order to gain proffesionalism