| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] to have been [vb pp] | 50 |
|
| 2 | not [verb] to have [been] [vb pp] | 50 |
|
| 3 | not [verb] to have be [vb pp] | 50 |
|
| 4 | not [vb infin] to have [be] [vb pp] | 48 |
|
| 5 | not [verb] to have [be] [vb pp] | 43 |
|
| 6 | not appear to have [be] [vb pp] | 25 |
|
| 7 | not appear to have [be] [vb pp] | 25 |
|
| 8 | not seem to have [be] [vb pp] | 21 |
|
| 9 | not seem to have [be] [vb pp] | 21 |
|
| 10 | n't [verb] to have [be] [vb pp] | 7 |
|
