| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it [vb -s] not been [adj] | 9 |
|
| 2 | but it has not [been] [adj] | 8 |
|
| 3 | but it [vb -s] not [been] [adj] | 7 |
|
| 4 | but it [vb -s] not [been] [adj] | 5 |
|
