| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] be aware of | 7 |
|
| 2 | [not/n't] [vb infin] be aware of | 7 |
|
| 3 | [not/n't] have be aware of | 7 |
|
| 4 | [not/n't] [verb] been aware of | 7 |
|
| 5 | [not/n't] have be aware of | 5 |
|
