Question

pedicate for the subject i)a gardener.ii)apples and mangoes.iii)cotton

Answer 1

predicate for the subject =
for "a gardner == A gardner was plucking flower in garden.
"Apples and mangoes" == Apples and Mangoes are rotten.
Cotton== Cotton is used in textile industries.

Answer 2

A sentence can be broken down into two major components, the first being the subject and other being the predicate.

The subject is the doer of the action, the one about whom the sentence is about.

Predicate acknowledges what the subject does, the actions performed by the subject.  

i) Gardener: The gardener was watering the flowers in our garden.

ii) Apples and mangoes: I want apples and mangoes for breakfast.  

iii) Cotton: Cotton is the most preferable element in textile industries