| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [det] [noun sg] is not [verb] | 8 |
|
| 2 | but [det] [noun sg] [is] not [vb pp] | 7 |
|
| 3 | but this [noun sg] [is] not [verb] | 6 |
|
