Maintained by the Purdue University Writing Lab, this tutorial focuses specifically on the three prepositions mentioned in the title: "at", "in", and "on". Explains spatial relationships and examines "in" and "on" more closely.

Use this quiz to identify the best preposition to use in each sentence. Good practice with sometimes tricky prepositions.

A graphic and example sentences to demonstrate how some prepositions show position or place.

Information and examples of using the prepositions "at," "in," and "on" to indicate time.

A six-part learning module with links to images, slides, and videos about prepositions.

A learning module with twenty-one links to images, websites, and videos about prepositions.

Maintained by the Purdue University Writing Lab, this tutorial has pictures to represent the various relationship among objects in a given space. Good for visual learners.

After giving students the writing topic "A Special Day that I Remember, give students ten to fifteen minutes to write on the topic. Then tell them they will be revising their "Special Day" prompt writing, but first they will listen to...

This site from The Internet TESL Journal provides a ten question (English as a second language) tutorial. This test site presents a complete sentence and asks whether there is a correct or incorrect usage of prepositions. Part of a...

Grammar quiz asks students to supply the missing prepositions (in, at, on) to form complete sentences.

[Free Registration/Login Required] Using football to explore prepositions. Reviews and practices using prepositions.

Mary Nell Sorensen teaches ESL at the University of Washington. Her page provides grammar tutorials for all the parts of speech. This specific pages covers prepositions

This is a PDF providing a handout with an extensive list of prepositions.

Part of H.W. Fowler's classic text on the use and misuse of the English language, "The King's English" (1908) section on prepositions focuses on their idiomatic nature. A comprehensive but a bit outdated manual, "The King's English"...

This site offers basic but very thorough information on prepositions and prepositional phrases. Uses visual images and simple explanations, including a more detailed discussion of how some prepositional phrases also serve as...

This lesson focuses on ending a sentence with a preposition; it defines preposition and provides a printable list of prepositions. It discusses when it is acceptable to end a sentence with a preposition and when it is not acceptable.

This site explains the various uses for "in," "on," and "at" in phrases referring to transportation, time, and communications (TV, radio, etc.). Also links to a practice exercise.

This Grammarly Handbook resource provide numerous examples of common combinations of verbs and prepositions.

This Grammarly Handbook resource provides examples of adjective placement in relation to prepositions.

This lesson introduces prepositions and their role. It is 2 of 2 in the series titled "Prepositions."

A screencast lesson [2:26] introducing prepositions, showing how they begin prepositional phrases, and telling how to use prepositional phrases to add different types of details to sentences.

A nine-part learning module with links to texts and videos about propositions and subordinating conjunctions.

Help for Portuguese speakers learning English as a second language who tend to misuse the prepositions "to" and "for." This page clarifies usage of these prepositions and illustrates proper use with many examples and common expressions.

This page focuses on the need for clear and concise language when writing.