| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [vb infin] a | 10061 |
|
| 2 | [not/n't] [vb infin] [vb pp] | 5742 |
|
| 3 | [vb infin] [vb pp] a | 3094 |
|
| 4 | [not/n't] [vb pp] a | 2227 |
|
