| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but have never [vb pp] | 12 |
|
| 2 | but have since [vb pp] | 10 |
|
| 3 | but have now [vb pp] | 9 |
|
| 4 | but have also [vb pp] | 8 |
|
