| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it be not | 2121 |
|
| 2 | but it [is] not | 1577 |
|
| 3 | but it is not | 795 |
|
| 4 | but it 's not | 782 |
|
| 5 | but it [was/were] not | 544 |
|
| 6 | but it was not | 544 |
|
