1) Active and passive forms. In English, we can express sentences in two different ways: active voice and passive voice. The active voice is used when the focus is on the subject (or agent) of the ...

However, in formal written and spoken English, if the pronoun refers to the object of the clause, we use whom instead. My German teacher, whom I really admired, retired last year. The woman whom I ...

THE ancient notion of English grammar was one of certain categories of words, and certain rules for their proper use. This is still the idea implied in most of the dictionary definitions of the word.