| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it is not [verb] | 54 |
|
| 2 | but it is not [verb] | 54 |
|
| 3 | but it is not [vb pp] | 43 |
|
| 4 | but it is not know | 14 |
|
| 5 | but it is not known | 14 |
|
| 6 | but it is not [v-ing] | 10 |
|
