Run would be currit. That is translated to "He, she, or it runs." If you want it to be first person, it would be curreo. Second person would be curris.
Illud Latine Dicere Non Potes.
"Maritus meus dicit." "My husband says."
Inquio, because -o means I and inquit means says
An ancient Roman with nothing to say would say "Nihil habeo quod dicam". Or just not say anything.
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