| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] it [is] | 571 |
|
| 2 | [det] [modal v] [vb infin] it | 321 |
|
| 3 | [det] [modal v] [vb infin] [is] | 34 |
|
| 4 | [det] [vb infin] it [is] | 7 |
|
