Fish can swim in the icy waters without turning into fishsicles because many of them make chemicals that keep their blood from freezing.

He had to re-lay the tiles because the cement was too dry.

120 and all its multiples are common multiples of 60, 8 and 15.

Such sentences explicitly state that something both has taken place and will take place; they are silent about what Bruce and Wayne are doing hic-et-nunc.