Relative clauses

1. Relative adverbs

1.1. when

1.2. where

1.3. why

2. Restrictive

2.1. Shortened

2.1.1. Past participle

2.1.2. Present participle

3. Non-restrictive

4. Relative pronouns

4.1. who

4.2. whom

4.3. whose

4.4. that

4.5. which

4.6. Subject pronouns

4.7. Object pronouns