| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it did [not/n't] come | 89 |
|
| 2 | it [vb past] [not/n't] come | 89 |
|
| 3 | it [vb past] n't come | 59 |
|
| 4 | it [vb past] not come | 30 |
|
