| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it has [adv] been [verb] | 37 |
|
| 2 | but it has [adv] been [vb pp] | 37 |
|
| 3 | but it has also been [verb] | 10 |
|
| 4 | but it has now been [verb] | 5 |
|
