| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [adv] [vb infin] | 4893 |
|
| 2 | [subord] it [modal v] [vb infin] | 2972 |
|
| 3 | [subord] it [modal v] [adv] | 625 |
|
| 4 | [subord] [modal v] [adv] [vb infin] | 79 |
|
