6:30的英文怎么写

　　例句：

　　1. I always get of bed at half past six in the morning.

　　我总是早上六点半起床。

　　2.Mike got up at six thirty this morning.

　　迈克今天早上六点半起床。

　　3.We waited till half past six for you.

　　我们等你等到六点半。