kalimat pertanyaan tentang penawaran

Kalimat tanya tentang penawaran ada banyak. Penawaran bantuan(offering help), penawaran benda(offering something).dan masih banyak lagi
Example:
Offering help:
-can i help you?
-could i help you?
-would i help you?
-may i help you?
-etc

Offering something:
-do you want this cake?
-do you want many money?
-etc