| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't [vb infin] [vb pp] a | 108 |
|
| 2 | [vb infin] [vb pp] at a | 56 |
|
| 3 | n't [vb infin] [vb pp] at | 45 |
|
| 4 | n't [vb infin] at a | 12 |
|
