| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [to-vb] [prep] [det] | 572 |
|
| 2 | it [modal v] [verb] [prep] [det] | 279 |
|
| 3 | it [modal v] [verb] [to-vb] [prep] | 172 |
|
| 4 | it [modal v] [verb] [to-vb] [det] | 74 |
|
| 5 | it [verb] [to-vb] [prep] [det] | 60 |
|
