| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb pp] [to-vb] at | 23 |
|
| 2 | not allowed [to-vb] at | 11 |
|
| 3 | n't [vb pp] [to-vb] at | 9 |
|
| 4 | not [vb pp] to look at | 5 |
|
