If you have forgotten your password, you can request a new one using https://learning.holmwoods.eu/Account/LostPassword. We will send you an email with a unique link to reset your password.
If you don't receive this email, that probably means it didn't make it through your spam filter. Ask your teacher to give you a new password.
Are you using a fake email address as your username? Ask your teacher to give you a new password.