"catch up on" as in, "When X returned from vacation, he found a lot of work he had to catch up on."
"come down with" as in, "Arizeldo came down with an unknown disease."
"come up with" as in, "Now and then Zilda will come up with a new idea."
"keep up with" as in, "After years Fábio's Dad realized Fábio simply couldn't keep up with the rest of the class."
"get along with" as in, "Nevertheless Fábio gets along with his lenient parents."
"cut down on" as in, "Arizeldo, you've got to cut down on the number of cigarettes you smoke."
"put up with" as in, "I can't put up with the noise in here, Matildes."
"get away with" as in, "No, Márcio_Farias, you won't get away with cheating on your poor girlfriend this time. Take that, you rascal."