Ajay plays the big, black grand piano. Teagan watches television. Some verbs do not need an object to make sense. These either: Work alone, as in, ‘Connor screamed.’ Describes a ‘state’ as in, ‘Maire ...
However, there are many types of noun and noun phrase in English, and it can be difficult to know if a particular noun takes a singular verb (such as DOES / HAS / AM / IS ) or a plural verb (DO / HAVE ...