Select all sentences that use present-tense subject-verb agreement correctly.
We check the safety lights every afternoon.✓Respuesta correcta
The caretaker check the rear gate at noon.
I am ready to record the meter reading.✓Respuesta correcta
The scanner has a spare battery inside.✓Respuesta correcta
Explicación
We correctly takes check, I correctly takes am, and the singular scanner correctly takes has. The caretaker is singular, so check without the third-person ending fails to agree; that sentence would require checks.