Here are some phrases and expressions for requesting in English.
See also : Free-English-Study : Requesting
(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)?