The Tongue Untied
The Tongue Untied: Indirect Object
The Tongue Untied is a guide to grammar, punctuation, and style for journalists, and it has great information on the indirect object. The site provides numerous examples along with information on usage and tips for recognizing indirect...
Khan Academy
Khan Academy: Identifying Subject, Direct Object, and in Direct Object
Learn to identify the subject and direct/indirect objects of sentences.
Robin L. Simmons
Grammar Bytes: The Gerund
Printable information is provided that demonstrates how to identify a gerund in the context of a sentence.