Prepositions of time:

at (at 8 o'clock)in (in June)on (on Monday)

Prepositions of place:

in (in the house)on (on the table)at (at the bus stop)by (by the river)near (near the park)next to (next to the supermarket)between (between the two buildings)among (among the trees)under (under the bed)over (over the bridge)above (above the clouds)below (below the surface)