It is not a prepositional phrase, but they are combination of two or more words which function as a preposition.
A. phrasal prepositions
B. prepositions of time
C. prepositions of place
D. prepositions of movement

Random Topics:
Pronounciation and GrammarModals of ProhibitionModals and InversionSimple and Past TensesConditional Sentences Type 1Simple and Continuous Present TenseFuture Tense VerbGerund and InfinitivesGrammar - Capitalization and Possessive NounsSimple Present Continuous TenseOther quiz:
Modals › ViewRead the sentence below:
“Mohammed can’t eat breakfast before work because he doesn’t have time.”
What does the word “can’t” suggest? Choose the best fit answer from the options below.
A. We don’t know if Mohammed will eat breakfast or not.
B. Mohammed never eats breakfast
C. Mohammed is likely to eat breakfast.
D. Mohammed is unlikely to eat breakfast.
Grammar › View
I __________ a new computer next Saturday.
A. going to buy
B. am buying
C. am going to buy
D. buying
Present Continuous Tense › ViewWrite the present tense of the verbs.
move
A. moved
B. moves
C. moving
Nouns › View
A ____________ noun shows ownership.
A. plural
B. common
C. singular
D. possessive
