| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [adv] [verb] or | 22 |
|
| 2 | it [modal v] [adv] [verb] or | 22 |
|
| 3 | it [modal v] [adv] [vb infin] or | 21 |
|
| 4 | it [modal v] not [verb] or | 11 |
|
| 5 | it [modal v] [not/n't] [verb] or | 11 |
|
| 6 | it [modal v] [adv] [verb] or | 11 |
|
| 7 | it [modal v] not [verb] or | 9 |
|
| 8 | it could [adv] [verb] or | 7 |
|
| 9 | it could [adv] [verb] or | 7 |
|
| 10 | it can [adv] [verb] or | 6 |
|
| 11 | it can [adv] [verb] or | 6 |
|
| 12 | it [modal v] either [verb] or | 5 |
|
| 13 | it [modal v] either [verb] or | 5 |
|
