The phrase "before you watched me swim" is a dependent clause (meaning that it couldn't stand along as a sentence).
During the night, I watched a movie. During the night - this is the inroductory phrase of the sentence
The correct phrase is 'crawl along'. I watched the spider crawl along the ledge.
Where is the sentence? If you mean in the one you just stated, in this sentence is the prepositional phrase.
the prepositional phrase in that sentence is{before the invention],because a prepositional phrase consists of a noun phrase+ a preposition.
In this sentence is the prepositional phrase in that sentence.
A preposition refers to the position of an object therefore in this sentence "at home" is the prepositional phrase
A sentence phrase is a group of words that together express a complete thought, but it is not a complete sentence on its own because it lacks either a subject or a verb. Sentence phrases are often used in combination to form complete sentences.
a sentence phrase is a"sentence "that funtions as a phrase in the sentence. For example: I'm tired of his saying " I'm out of money".
An appositive is a noun or noun phrase that renames another noun or pronoun just before it.The appositive in the sentence is Bob Huylett, which renames the noun 'author'.
A phrase is an unfinished sentence or a quote.
The word 'before' is functioning as a preposition in that sentence.A preposition is a word that connects its object to another word in the sentence.In the example sentence, the preposition 'before' connects the noun phrase 'football practice' to the verb 'did'.The noun phrase 'football practice' is the object of the preposition.
A prepositional phrase adds details to the sentence.