No, "the dogs ran for the sprinkler" and "the children chased them" is not a parallel sentence. Parallel structure typically involves using the same grammatical form for similar elements within a sentence. In this case, the two clauses have different subjects and actions, which makes them a compound sentence rather than a parallel construction.
I chased her until she caught me. The dawn chased the night away. The cat chased the bird to no avail.
It is active. Hunter chased. If the sentence went like this: The lion was chased by the hunter, then it would be passive.
in bathroom i was playing with colorful bubbles
In the sentence "The little girl chased a chipmunk" the nouns are "girl" and "chipmunk."
The dog chased the cat .In this sentence the subject is dog the verb is chased and the object is cat.The object usually describes someone or something to which or for whom the action of the verb is done.In the sentence above something was chases, what was chased? - the cat.
chased
"The dog chased its tail."
This is not an active sentence so it cannot be changed to a passive sentence. Active sentences have a subject and a verb. eg The dog chased the cat. As a passive sentence -- The cat was chased.
It can have a two part verb but it doesn't have to.In an active sentence we can see who or what does the action of the verb:The cat chased the mouse. -- cat is the subject, chased is the verb and mouse is the object. The cat does the action, chase.In this next sentence we don't know who or what does the action:The mouse was chased. -- was chased is the verb.This sentence is a passive sentence.Here is an active sentence with a two part verb:I picked up my son from school.here is the same sentence in passive tense:My son was picked late yesterday.
The maniac chased me home.
"The boy chased the dog" is a complete sentence. The verb, chased, is transitive. The object is "dog".
The sentence "The cat chased the mouse" is in the active voice because the subject (the cat) is performing the action (chased) on the object (the mouse).