Present Simple : 1) It runs in Moscow. 2) We swim in the swimming pool.
Past Simple : 1) It run in Moscow. 2) We swam in the swimming pool.
Future Simple : 1) It will run in Moscow. 2) We shall/will  swim in the swimming pool.
Present Continuous : 1) It is runing in Moscow. 2) We are swimming in the swimming pool.
Present Perfect : 1) It has run in Moscow. 2) We have swum in the swimming pool.

it runs in Moscow.

it ran in Moscow.

It will run in Moscow.

It is running in Moscow.

It has run in Moscow.

We swim  in the swimming pool.

We swam  in the swimming pool.

We will swim  in the swimming pool.

We are smimming  in the swimming pool.

We have swum  in the swimming pool.