They are slaves; therefore they ought to be beaten. That may be true, but it ought not demean their work. That's exactly what we ought to do. We weren't as respectful as we ought to have been. I don't see what other we ought to have done. Excessive bail ought not to be required. Some researchers argue that phase II studies are generally smaller than they ought to be. But to strive against and oppose evil cannot be ought but good. . . . For this reason, we ought not to condemn such infants. Some modal verbs ("would, could, might, should, ought to") do not change in indirect speech. I think we ought to have prayer. Simmias expresses confusion as to why they ought hasten to follow Socrates to death. Clearly, lawbreakers ought to be punished. And I thought he ought to be replaced. Hence social versatility ought to be the standard.