Across and Through

- across = movement on a surface

• We walked across the ice


• We drove across the desert


• I walked across the square

- through = movement in a three-dimensional space

• We walked through the wood


• We drove through several towns


• I walked through the crowd.

- People, ships + across

• The river’s too wide to swim across

Across and Over

- across and over = on the other side of ; to the other side of

- prefer over = movement to the other side of something high

• Why is that woman climbing over the wall?

- prefer across = movement to the other side of a flat area.

• It took him six weeks to walk across the desert.