They cannot just stand by themselves. There is usually only one possibility of preposition which must be used after a particular noun. Occasionally alternatives are possible. But in either event ...

This clip is from the series Grammar for 11-14 year olds ... as a starter to explore and identify prepositions. This clip is suitable for teaching English at Key Stage 3 or Third Level.

In each item below, the sentence contains a highlighted conjunction expressing a time relationship, followed by a preposition in parentheses. In the blank box under each item, rewrite the sentence ...

Prepositions and preposition phrases Geoffrey K ... He has written numerous articles and books on English grammar, including An Introduction to English Transformational Syntax (1976) and Introduction ...