Verb be
I _ 13 years old. is am are My brother _ at university. am is are He _ good at swimming. not is not are not _ she in the school play? Is Are Am They _ always late for school. not are not is not
I _ 13 years old. is am are My brother _ at university. am is are He _ good at swimming. not is not are not _ she in the school play? Is Are Am They _ always late for school. not are not is not