语法总结
What time is it?
用 What time is it? 询问时间。
例：What time is it? It's eight o'clock.
past 和 to 表示时间
分钟数未超过 30 分钟用 past，超过 30 分钟可用 to 表示距离下一小时还有几分钟。
例：half past seven; a quarter to eight.
现在进行时
用 am/is/are doing 描述此刻正在进行的活动。
例：What are you doing? I'm having breakfast.