This word is used as a general term meaning “work”, “picture”.
а) a landscape
b) a portrait
c) a sitter
d) a painting

this word is used as a general term meaning “work”, “picture”.

d) a painting

his hen can fly. - his hen can't fly.

his pig has got a hat. - his pig hasn't got a hat.

his rabbit is grey. -  his rabbit isn't grey.

наст простое: сущ + глагол в первой форме (с окончанием s если у нас he, she, it)

если предложение отрицательное или вопросительное  используем do (does) not

пример: i know.

наст длительное:   сущ + вспом глагол + глагол с окончанием ing

пример: i am sleeping.