Like the subject, the object is usually a noun (‘the piano’) or a noun phrase, (‘the big, black grand piano’). Verbs that take objects describe some kind of action rather than a state of being.

Sometime back, a Russia-based Forum member requested a tutorial of sorts on how the three kinds of grammatical objects work in English.

Learn and revise sentence types and clauses, nouns, adjectives and verbs with this BBC Bitesize GCSE English Language (Edexcel) study guide.

The object of "for" is the whole of the following clause, and not just the relative pronoun, and that clause should follow the proper rules of subject-verb-object grammar.