An Eagle is the subject
"A very large bird flew from the branches" is a complete sentence. There are two nouns (bird, branches) and one verb (flew).
There is no verb in this sentence fragment.
There are:two main verbs - caught and bringingone auxiliary verb - hasone be verb - is
A complete sentence must have a subject (noun) and a predicate (verb). For example, "The bird flies in the sky." "The bird" is the subject of the sentence (bird is a noun) and "flies in the sky" is the predicate (flies is the verb). This is a complete sentence. "The mailman" is NOT a complete sentence because there is no predicate (I didn't tell you what the mailman did). Ask yourself "Who?" and "Did what?" and if you're able to answer both questions then you probably have a subject and a predicate, and therefore, a complete sentence.
A complete sentence must have a subject (noun) and a predicate (verb). For example, "The bird flies in the sky." "The bird" is the subject of the sentence (bird is a noun) and "flies in the sky" is the predicate (flies is the verb). This is a complete sentence. "The mailman" is NOT a complete sentence because there is no predicate (I didn't tell you what the mailman did). Ask yourself "Who?" and "Did what?" and if you're able to answer both questions then you probably have a subject and a predicate, and therefore, a complete sentence.
Carried is the verb in this sentence, but it is not a mental verb. Mental verbs are verbs like care/see/think
"was falling" is the verb phrase.
Build.
its intransitive because there is no object in the sentence
Yes, the adverb "high" tells to what height the eagle flies. It is, however, unspecific.
The verb in the sentence "How are they different" is "are."
I'm not sure if this is what you need, but an example of a sentence fragment containing the word tree is below. The bird in the tree. (This is a sentence fragment and not a complete sentence because there is no verb (action word).