| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [adv] [verb] [vb pp] | 517 |
|
| 2 | [adj] [modal v] [adv] [verb] [vb pp] | 226 |
|
| 3 | [adj] it [modal v] [adv] [verb] | 109 |
|
| 4 | [adj] it [modal v] [verb] [vb pp] | 37 |
|
