1.   At the time, I was not aware of the ramifications of my actions.

2.   At this stage we were not aware of the full significance of the movement of the spoil to form the rampart.

3.   He was not aware of a jugular vein delicately connecting the forty billion of Trantor with the rest of the Galaxy.

4.   I am not aware of any reliable testing done on herbal products.

5.   I was not aware I would meet such nice people.

6.   If any bad feelings existed between the two of them, I was not aware of it.

7.   Many doctors are not aware of this and are led to a false diagnosis of seizure disorder.

8.   The government is not aware of the views of ordinary citizens.

9.   The public was not aware of the danger from nuclear tests in Nevada.

10.   They are not aware of their bad habits.