Translation: The object of study philosophy are the most general laws that govern the universe. Man and humanity as whole studies the bases of the unity between man and society and between man and nature
A: Okay so... what do you want to be answered here.
Sentence #1 has a demonstrative adjective. Sentence #2 has both a demonstrative adjective and a demonstrative pronoun. Sentence #3 uses a regular possessive pronoun. Sentence #4 is the only sentence that uses a present progressive tense. <span> </span>