From what principal part does the present active infinitive come? this is for latin

What was the first civilization to deny the deaf education? what was the name of the man in france who developed the first free public school for the deaf, and what year was the school established? what year was america’s first school for the deaf founded, who was the founder, and where was the school located? what did total communication lead to in the 1970s (name the law, the year, and what the law required)? what happened to deaf schools in 1990: what were they deemed and what was the result?

Explain the significance of baseball in cuba and la republic dominican write your answer in english

Which sentence uses the verbs correctly?