Can you please check these sentences?

Question

Thank you.

When I was "little" (young is better) could play the guitar quite well.
Can you say "yesterday evening" in British English (instead of last evening?)
He insisted that he hedn't broken the vase.
He insisted on not having broken the vase (?)

Answer 1

hadn't instead of hadn't
sent 3

Answer 2

When I was "little" I could p lay

Yes

not hedn't but h adn't

Sra