The verb tenses in “Machado’s stories pulse with life” (line 79) and “Yet Machado is always writing...” (line 124), are

As to the sentences “Few fiction writers have written so affectionately about ideas” (127-129), “You are what you contemplate, so choose wisely” (lines 150-151), “slavery ended in Brazil only in 1888” (lines 119-120) and “Above all looms the figure of the bibliomane” (lines 94-95), it is correct to state that