поставьте правильную форму глагола: i need (talk) to you for a few minutes.

Правильная форма глагола после need - инфинитив с частицей to. В предложении "I need (talk) to you for a few minutes" правильно сказать "I need to talk to you for a few minutes", так как need to talk выражает необходимость действия.