| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [pron] [prep] | 14161 |
|
| 2 | it [modal v] [vb infin] [prep] | 4343 |
|
| 3 | it [modal v] [vb infin] [pron] | 3521 |
|
| 4 | it [vb infin] [pron] [prep] | 68 |
|
