| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [adv] | 20949 |
|
| 2 | it [modal v] [adv] | 10652 |
|
| 3 | [pron] [modal v] usually | 320 |
|
| 4 | it [modal v] usually | 54 |
|
