Keywords: should, ought to
1. Used alone to mean you think that the action under discussion is right, it is good that it happens, or that you feel that it will happen. English = 'It should...," "It ought to...,"
1. Used before or after a verb to mean that you think that it is right or good that the action happens, or that you feel that it will happen. You use this sign when you are suggesting that someone do something. English = should, ought to.
1. If you make the sign with more stress (increasing the size and speed of the movement, and making it stop suddenly at the end) you 'harden the meaning' of this sign. It then means that you feel very strongly that it happens, or that you are ordering someone to do something. English = must, have to.