| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [vb infin] a [noun] | 1114 |
|
| 2 | [modal v] [vb infin] for a [noun] | 629 |
|
| 3 | it [modal v] [vb infin] for a | 55 |
|
| 4 | it [modal v] [vb infin] for [noun] | 54 |
|
| 5 | it [vb infin] for a [noun] | 8 |
|
