In this sentence, is the verb transitive or intransitive verb: "The sun shines brightly during the day."?
The verb "shines" is intransitive .
A transitive verb has an object.
An intransitive verb has no object.
The verb "shines" does not have an object.
In the sentence, "The sun shines brightly during the day", the word "brightly" is an adverb which modifies the verb "shines".
The term "during the day" is a prepositional phrase; the noun "day" is the object of the preposition "during".