| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is that it be not | 100 |
|
| 2 | is that it [is] not | 94 |
|
| 3 | is that it is not | 78 |
|
| 4 | is that it 's not | 16 |
|
| 5 | is that it [was/were] not | 6 |
|
| 6 | is that it was not | 6 |
|
