各种形式:supporter,supposing,supposed…
I am a strong supporter of the president.
我是总统的一位坚定的支持者。
Supposing (that) you are wrong, what will you do then?
假设你错了,那你会怎么办
These supposed professional opinions are just a cover for late payment.
这些所谓的专业观点不过是延迟交款的幌子罢了。