| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] an [noun] | 256 |
|
| 2 | but it [vb past] [noun] | 95 |
|
| 3 | but [vb past] an [noun] | 30 |
|
| 4 | but it [vb past] an | 25 |
|
