| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [not/n't] [vb infin] | 57528 |
|
| 2 | [vb past] [not/n't] let | 148 |
|
| 3 | [not/n't] let [vb infin] | 72 |
|
