ПОМОГИТЕ ПОЖАЛУЙСТА Read and state the function of the verbs be,

ПОМОГИТЕ ПОЖАЛУЙСТА
Read and state the function of the verbs be, have : Westminster Abbey, a fine Gothic building IS worth seeing. It IS the work of many hands and different ages. Buildings the oldest part dates back to the 8_th century. It has BEEN a monastery (the West Minster) for a long time. Nowadays it IS remaining the place of crowning all the British kings and queens. The Abbey IS sometimes compared with a mausoleum, because there ARE tombs and memorials of almost all English monarchs, of many statesmen, famous scientists, writers and musicians.