The Preposition
Review ways to identify prepositions in sentences and to form prepositional phrases. This web site also discusses some prepositions that can function as subordinate conjunctions.

Quiz on Prepositions
This interactive exercise gives you practice selecting the best preposition to complete the sentences. You can receive a score at the end of the exercise.

Problematic Prepositions
"This handout serves as a review of the basic principles involved in using prepositions correctly in English." This site lists the nine most common prepositions in English and the three most common problems with prepositions. A chart helps you choose the correct preposition for the relationship in your sentences.

Recognizing Prepositions
In this interactive exercise, you identify prepositions from an excerpt from one of Ernest Hemingway's short stories by clicking on the prepositions in the order that they appear in the paragraphs. Upon completion of the exercise, you can receive a score.

Prepositions at Crosswords II
Complete the crossword puzzle by using prepositions. You can check your answers on this interactive site.

Problems with Prepositions
Review five important rules about prepositions. Then you can complete a practice exercise and take a test. You can receive your scores from these interactive exercises.