Get set to learn English together! 這句話的Get是甚麼意思? 為何不是用"Let's set to.."而是"Get.." 而Get為何不是V-ING而是原形?

Get set to learn English together!
準備好一起學英語！

這裡 set 是形容詞，ready 的意思， 所以 get set to 就是 get ready to「準備好」。

set out--to begin a journey; time to set off;
set on., phrasal v.---to cause to attack or chase.
set off----to begin a long or difficult course of action with a clear purpose; to start to go somewhere.
eg:-We wanted to get set in order to learn English.
"get set" has got the pronunciation sounds the same =get ready.
Also advertising saying aimed at atheleic meet= learning English.