| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] to have been | 163 |
|
| 2 | not [vb infin] [to-vb] been | 154 |
|
| 3 | not [verb] [to-vb] been | 136 |
|
| 4 | not seem [to-vb] been | 86 |
|
| 5 | not seem [to-vb] been | 86 |
|
| 6 | not appear [to-vb] been | 56 |
|
| 7 | not appear [to-vb] been | 56 |
|
| 8 | n't [verb] [to-vb] been | 27 |
|
| 9 | not [vb pp] [to-vb] been | 9 |
|
