| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [vb infin] [verb] [noun] | 281 |
|
| 2 | [modal v] [vb infin] [verb] for [noun] | 246 |
|
| 3 | it [modal v] [verb] for [noun] | 55 |
|
| 4 | it [modal v] [vb infin] for [noun] | 54 |
|
| 5 | it [modal v] [vb infin] [verb] for | 40 |
|
