We should add a new exception to the passive voice assessment to avoid marking predicative expressions as passive. Some predicative adjectives can be recognized based on the word preceding the ...

A few words are first said about the well-known difficulty of drawing a hard and fast line between various grammatical categories. Then follows an account of some types of complements and attributes ...

I am alone (without others) but not lonely (without others or alone and unhappy as a result of it). Alone means without the company of others, without anyone around. Alone is a predicative adjective, ...