| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [vb infin] [pos pn] [noun] | 630 |
|
| 2 | [modal v] [vb infin] for [pos pn] [noun] | 288 |
|
| 3 | it [modal v] [vb infin] for [noun] | 54 |
|
| 4 | it [modal v] [vb infin] for [pos pn] | 16 |
|
