| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [be] not a | 575 |
|
| 2 | [vb past] [conj] it [be] a | 242 |
|
| 3 | [vb past] [conj] it [be] not | 170 |
|
| 4 | [vb past] it [be] not a | 24 |
|
