在一个网络广播看到句子如下
IF someone's calling me when my phone's on silent, I can feel that vibration
on my leg.
想问板友的问题是
someone's calling me = someone is calling me
my phone's on silent = my phone is on silent
如果是的话 是不是在口语在讲的时候 习惯把Be 动词 is 缩成's

是的，就像 I am a student. I'm a student.