| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but is not [verb] | 52 |
|
| 2 | but [is] not [vb pp] | 46 |
|
| 3 | but [is] not limited | 8 |
|
| 4 | but [is] not limit | 8 |
|
| 5 | but [is] not [v-ing] | 5 |
|
