Questions & Answers about Мама прикрыла ребёнка тёплым одеялом.
How does the prefix при- change the meaning of the verb in this sentence?
The base verb is related to крыть (to cover). Adding the prefix при- gives the verb an "attenuative" meaning, which means the action is incomplete, partial, or done lightly. So, прикрыла means Mom lightly or partially covered the child, rather than burying them fully under heavy blankets.
What is the practical difference between using прикрыть versus укрыть when talking about a sleeping child?
Укрыть implies covering the child fully and protectively, like tucking them in securely so they stay warm. Because of the при- prefix's nuance, прикрыть implies a lighter, less thorough action—she just draped the blanket over the child, perhaps because the room was only slightly chilly.
Why is тёплым одеялом in the instrumental case here?
In Russian, the instrumental case is used to show the tool, object, or means used to perform an action. Because Mom covered the child by means of a warm blanket, both the adjective тёплый and the noun одеяло take the instrumental endings, becoming тёплым одеялом.
Does the "partial action" meaning of прикрыть apply to other situations?