fix(curriculum): place Present Perfect Tense in backticks and typo (freeCodeCamp#58697)

Author: Supravisor

curriculum/challenges/english/21-a2-english-for-developers/learn-how-to-discuss-roles-and-responsibilies/65b0dde5120c33f904f47a62.md

@@ -13,7 +13,7 @@ The *Present Perfect Tense* is formed with `have` or `has` plus the past partici
 
 Use `have` with the pronouns `I`, `you`, `we`, and `they`, and use `has` with `he`, `she`, and `it`.
 
-The word `yet` is often used in questions in the Present Perfect Tense to inquire if something has happened up to now.
+The word `yet` is often used in questions in the `Present Perfect Tense` to inquire if something has happened up to now.
 
 # --fillInTheBlank--
 
@@ -27,7 +27,7 @@ The word `yet` is often used in questions in the Present Perfect Tense to inquir
 
 ### --feedback--
 
-It's an auxiliary verb used in the Present Perfect tense sentence.
+It's an auxiliary verb used in the `Present Perfect Tense` sentence.
 
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