fix(curriculum): Typo in the english course (freeCodeCamp#55723)

Author: zxc-w

curriculum/challenges/english/21-a2-english-for-developers/learn-how-to-have-a-conversation-about-preferences-and-motivations/6581a95da053653b4593a650.md

@@ -9,7 +9,7 @@ dashedName: task-61
 
 # --description--
 
-Sometimes, you can use an auxiliary vern in a positive sentence to emphasize a statement, making it stronger. 
+Sometimes, you can use an auxiliary verb in a positive sentence to emphasize a statement, making it stronger. 
 
 For example, instead of saying `The app saves time`, you might say, `The app does save time`, emphasizing the app's efficiency.