| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [adv] [verb] [noun] | 707 |
|
| 2 | it [modal v] [adv] [vb infin] [noun] | 701 |
|
| 3 | [pron] [modal v] [adv] have [noun] | 480 |
|
| 4 | it [modal v] [adv] have [noun] | 13 |
|
