| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] [verb] for a [noun] | 212 |
|
| 2 | it [vb past] [verb] [prep] a [noun] | 96 |
|
| 3 | it [verb] [verb] for a [noun] | 18 |
|
| 4 | it [vb past] [verb] for [art] [noun] | 15 |
|
