| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but not [adv] [vb pp] | 136 |
|
| 2 | but not yet [vb pp] | 42 |
|
| 3 | but not yet [vb pp] | 42 |
|
| 4 | but not necessarily [vb pp] | 11 |
|
| 5 | but not necessarily [vb pp] | 11 |
|
