Non-finite form of a verb. One distinguishes the present participle 'writing' in (i), the participle of the perfect tense 'written' in (ii), and the passive participle 'written' in (iii): (i) John is writing a book. (ii) John has written a book.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Cup cakeIsn't 'writing' in the first example the present continuous tense?'is writing' is an example of the present continuous/progressive. Continuous forms of a verb are constructed with a part of BE and the present participle of the verb.