I don't know a lot but I just did a class about this.
But to change perfect past tense completed in the past by changing the verb is or could be by replacing the verb with the action to was ,did ,before, ect. I think this might help
Answer:
The Main Characteristics of Modernist Literature
Individualism. In Modernist literature, the individual is more interesting than society.
Experimentation. Modernist writers broke free of old forms and techniques.
Absurdity. The carnage of two World Wars profoundly affected writers of the period.
Symbolism.
Formalism.
Explanation:
Hope this helped!