| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [not/n't] [verb] | 4419 |
|
| 2 | [modal v] [not/n't] [verb] [modal v] | 95 |
|
| 3 | it [modal v] [verb] [modal v] | 25 |
|
| 4 | it [modal v] [not/n't] [modal v] | 8 |
|
