The three affirmative active third-person masculine forms refer to one man, two men, or a masculine plural group.
Word / formMeaning / explanation
Singular: يَفْعَلُhe does / will do.
Dual: يَفْعَلَانِthose two men do / will do.
Plural: يَفْعَلُونَthey (masculine plural) do / will do.
The dual has ـانِ, while masculine plural has ـونَ. In their indicative forms, their endings contain the grammatical nūn discussed later in this lesson.