No, the word "was" can't be used as a prepositional phrase. Rather, it can be used as a linking verb or an auxiliary verb. Explanation: Click this link
Yes,the word "was" can be used as a verb.More specifically,it can be used as a linking verb and a helping or auxiliary verb. Explanation: Click this link
The word "was" can't be used as a preposition.But this word ,"was", can be used as a verb.More specifically,it can be used as a linking verb and a helping or auxiliary verb. Explanation: Click this link
The word "a" can be used as a noun.Besides,the word "a" can be used as an adjective (an article ,determiner)a preposition and a verb. Explanation: Click this link
The word "a" can be used as a preposition.Besides, the word "a" can be used as a verb,an adjective (an article, determiner) and a noun. Explanation: Click this link
The word "a" can't be used as a conjunction.Butthe word "a" can be used as a verb,an adjective (an article, determiner),a preposition and a noun. Explanation: Click this link
The word "a" can be used as a verb.But this usage is not seen commonly.Besides,the word "a" can be used as a article or determiner,a preposition and a noun. As a verb,the word "a" gives us the the meaning "have". • A =Have • They shoulda stayed at home yesterday." Explanation: Click this link
No,the word "the" can not be used as a common noun in a English sentence.Even the word "the" can't be used as a pronoun,a verb and a preposition.But it can be used as an adverb or an adjective(as a determiner which is a special type of adjective). Explanation: Click here