Well it could be used for both
<span>The poet seems to be full of love and pity for his father .He reveals his sadness about his father's depression due to his hard life., full of sorrows and misery.His sadness has cast a shadow over the poet too, making him also gloomy.His father's tears cover his face and his desires are also buried along with it.</span>
The rock formations in the Rocky Mountains and Great plains is said to be different yet have similar amounts of certain minerals because the rock of Rocky Mountains is igneous rock while the rock of the Great Plains is sedimentary.When sediment is firmly pressed and cemented together, it leads to formation of sedimentary rock but when Magma cools it form igneous rock when it's hardens
<em>M</em><em>A</em><em>R</em><em>K</em><em> </em><em>M</em><em>E</em><em> </em><em>A</em><em>S</em><em> </em><em>A</em><em> </em><em>B</em><em>R</em><em>A</em><em>I</em><em>N</em><em>L</em><em>I</em><em>E</em><em>S</em><em>T</em>
Change happen to happened because it is past tense
