1.explain scenario- Tomorrow is Shi Qiang's birthday and I want to persuade all his cousins, aunts and uncles to come to your birthday party , on the 1st of April.
2.purpose-To invite your relatives to celebrate your birthday with you.
3.audience- All Shi qiang's relatives
4.context-it will be great fun ,if all his cousins come to celebrate his birthday , we will surprise as he thinks he is only celebrating with close family ,so if they all come we will make him extremely
5.tone and register- informal ,Polite and convincing