everyday misson 情态动词

sentence:
I'm under a lot of pressure.
If I were in your shoes..
Over my dead body..
It doesn't make any sense..
What's this regarding..
Can u give me a hand..
U r the boss..

key words and expressions:
famous 著名的 actress 女演员
at least 最少 at most 至多
pressure 压力,电压 not more than 小于,至多
unclear 模糊不清的

pattern drill:
She must be Korean..
She can't be come from Greece..
She must be an engineer..
She can't be a mechanic..

syntax:
must be 一定是
can't be 一定不是
以上两者都为主观推测

think 的否定形式,否定必须提前,如:
I don't think I can..