| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] a [noun] | 1651 |
|
| 2 | it [vb past] [det] [noun] | 669 |
|
| 3 | [vb past] [det] a [noun] | 368 |
|
| 4 | it [vb past] [det] a | 41 |
|
| 5 | it [det] a [noun] | 37 |
|
