1.   For some one whose knees shook when she tried to read a letter to her classmates, the training was more than useful.

2.   My heart was racing and my knees shook uncontrollably.

3.   My knees are shaking, my heart is beating wildly and my head is enclosed in a crash helmet that seems much too thin.

4.   But under the table, her knees are shaking.

5.   I stopped on this cliff, and my knees were shaking uncontrollably.

6.   If you know your knees will shake during a piano recital, you want to avoid a short skirt.

7.   Left cornerback Eric Davis said the prospect does not make his knees shake.

8.   My knees were literally shaking.

9.   My knees shook.

10.   The thought of putting some of my overflow Christmas items in the shed makes my knees shake!