The sun sets. We finish the hike. (BEFORE or UNTIL?)
We finish the hike before the sun sets
She finished her homework. She watched TV.
She finished her homework before she watched TV.
I will go to the store. You call me.
I will go to the store if you call me.
WHILE: She practiced the piano. The guests arrived.
She practiced the piano while the guests arrived.
UNLESS: She won't eat. You cook her favorite meal.
She won't eat unless you cook her favorite meal
He studies. He won't pass the test.
He won't pass the test unless he studies
WHEN: They will play outside. It stops raining.
They will play outside when it stops raining
She will wait. You come back.
She will wait until you come back.
IF: You can borrow the car. You promise to be careful.
You can borrow the car if you promise to be careful
UNLESS: You study hard. You may not pass the exam.
You may not pass the exam unless you study hard
The baby cries. You pick her up.
The baby cries until you pick her up
UNTIL: The cake is in the oven. The timer goes off.
The cake is in the oven until the timer goes off.
He won't leave. You apologize.
He won't leave unless you apologize
WHILE: He works late. I go to bed.
I go to bed while he works late.