1.   Finally she snuck around to the front of the house, feet sinking in the soft dirt.

2.   Gradually, as they worked, their feet sank into the soft earth and wet mud oozed up between their toes.

3.   Her feet sank into the thick pile of the carpet.

4.   Her feet sank into the thick pile of the rug.

5.   My feet are sinking through the light crust.

6.   My feet sank into the soft ground.

7.   The moment they stepped on to the moor itself their feet sank almost to the ankle.

8.   My foot sank into the deep mud.

9.   Our feet sank deeper into the mud.

10.   Her feet sinking into the pillows of sand with each step, Marinelli wanted to see the annual plant for herself.