(Simple imperative verb): – Help me.*

Please + verb (more polite) – Please help me.

Can you . . . ? – Can you help me?

Will you . . . ? – Will you help me?

Could you (please) . . . ? – Could you help me?

Would you (please). . . ? – Would you please help me?

Would you mind (V+ing) . . . ? – Would you mind helping me?

Could you possibly . . . ? – Could you possibly help me out here?

(very polite) Would you be so kind as to . . . ? – Would you be so kind as to help me (with this)?