| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [vb infin] be seen | 9 |
|
| 2 | [vb mod] not [vb infin] be seen | 9 |
|
| 3 | not [vb infin] [prep] be seen | 50 |
|
| 4 | not [vb infin] [prep] be seen | 50 |
|
| 5 | not [vb infin] to be seen | 49 |
|
| 6 | not [vb infin] to be seen | 49 |
|
