| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] necessary to [be] aware | 6 |
|
| 2 | it [be] necessary to [be] aware | 6 |
|
| 3 | it [is] necessary to [be] aware | 6 |
|
| 4 | it [be] necessary to be aware | 6 |
|
| 5 | it be necessary to [be] aware | 6 |
|
| 6 | it is necessary to [be] aware | 6 |
|
| 7 | it [be] necessary to be aware | 6 |
|
| 8 | it [be] necessary to [be] aware | 6 |
|
