First identify all verbs and adjectives in the sentence. Then identify any words that modify the verbs or adjectives. Those modifiers are adverbs. If the adverbs are modified by other words, those modifiers are also adverbs.
An adverb of palce usually talks about talks the location where the action of the verb is being carried out. For instance, in "Please put the books here," the adverb...
"Down" is an adverb modifying "glanced." Everything after "down" is an adverbial phrase also modifying "glanced." The adverbial phrase consists first of a prepositional phrase and then an independent clause...
Play the video while you practice it. Pause as needed and/or rewind. It takes a bit of getting used to, but if you practice, you'll get the hang of it....