Modality: ты должен, вам надо...

In the Russian language there are many lexical means to convey different shades of modality.
So, to express the need, obligation, you can say ↓

- он должен, она должна, они должны,

- он обязан, она обязана, они обязаны,

- кому? можно ≠ нельзя

гнать - гонять

The verbs of motion "гнать - гонять" denote the force to move in a certain direction and at a certain speed. What other use cases are there in Russian?

тащить - таскать

The verbs of motion "тащить - таскать" refer to the movement of a heavy object, or an object that is difficult to move for some other reason. What other use cases are there in Russian?

катить - катать

The verbs of motion "катить - катать" refer to the movement of a rounded object. It is important that movement is possible in two ways - to move something on the surface or to carry it for a walk. What other use cases are there in Russian?