Except for a dog he is traveling completely alone.

How many adverbs are there? I know "completely " is
one . Does it modify is traveling?

Completely is an adverb, but it modifies the adjective, alone.

http://www.merriam-webster.com/dictionary/alone

Yes, "completely" is an adverb in the given sentence. It modifies the verb phrase "is traveling" by providing additional information about the dog's state of being alone. Therefore, there is one adverb in the sentence.

To determine how many adverbs there are in the given passage, we first need to understand what an adverb is. An adverb is a word that modifies a verb, an adjective, or another adverb. It usually answers the questions when, where, why, how, or to what extent.

In the given passage, the word "completely" is identified correctly as an adverb. It modifies the verb "is traveling" and answers the question "to what extent" he is traveling. So, we have identified one adverb, which is "completely."

To search for more adverbs in the passage, we need to look for words that modify verbs, adjectives, or other adverbs. However, the given passage only contains one sentence, and the focus is on the fact that he is traveling alone with the exception of a dog. Therefore, there are no other adverbs present in the passage.

So, to answer your question, there is only one adverb in the given passage, and it is "completely," which modifies the verb "is traveling."