In Japanese grammar, the conjectural form is used to express the future or assumptions.

She suffers every month because of dysmenorrhea.

He is good at handling a light machine gun.

He is struggling to understand the perfect tense in English.

I like listening to light music.

He is an expert in neurology.

This device operates using a circular current.

I love Hainanese chicken rice.

He was studying with his nerves on edge the day before the exam.

My biological clock is disrupted, and I've been having sleepless nights.