This is the 5425th most frequent Spanish word.
necesito
"I need."
In this sentence, 'necesito' is used to express a necessity or requirement for studying in relation to an event (the exam).
Necesito estudiar para el examen de mañana.
I need to study for tomorrow's exam.
Here, 'necesito' is used interrogatively to inquire about the reason for needing to perform a task (helping in the project).
¿Por qué necesito ayudar en este proyecto?
Why do I need to help in this project?
In this context, 'necesito' conveys a subjective feeling or realization of needing rest.