| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it [modal v] [vb infin] | 1784 |
|
| 2 | [vb past] it [modal v] [vb infin] | 868 |
|
| 3 | [adv] [vb past] it [modal v] | 183 |
|
| 4 | [adv] [vb past] it [vb infin] | 128 |
|
| 5 | [adv] [vb past] [modal v] [vb infin] | 16 |
|
