| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [vb infin] been [adv prt] [prep] | 5 |
|
| 2 | [vb mod] not [vb infin] been [adv prt] [prep] | 5 |
|
| 3 | not [vb infin] been [verb] [adv prt] [prep] | 6 |
|
| 4 | not [vb infin] been [vb pp] [adv prt] [prep] | 5 |
|
