Of course you can.
"I strike the rock."
It works in first person, present tense.
Other versions would be, "I struck" which is first person, past tense.
Answer:
Consanguinity is the fact of being descended from the same ancestor or relative.
Explanation:
Hope it helps!
First protagonist.
It is from the the main character and only their perspective. First person usually captures the character's emotions and insight the best.