| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but has not [adv] [be] | 9 |
|
| 2 | but [vb -s] not [adv] [been] | 9 |
|
| 3 | but [vb -s] not [adv] be | 9 |
|
| 4 | but [vb -s] not [adv] been | 9 |
|
| 5 | but [vb -s] not yet [be] | 8 |
|
