| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] be [vb pp] for a | 5 |
|
| 2 | it [vb past] [be] [vb pp] for a | 5 |
|
| 3 | it [vb past] [been] [vb pp] for a | 5 |
|
| 4 | it [vb past] been [vb pp] for a | 5 |
|
| 5 | it [vb past] [vb pp] for a [noun sg] | 6 |
|
| 6 | it [vb past] [vb pp] for a [noun] | 6 |
|
| 7 | it [vb past] [vb pp] for a [adj] | 5 |
|
| 8 | it [vb past] [vb pp] for a [adj] | 5 |
|
