| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] be [adv] [vb pp] [conj] | 18 |
|
| 2 | it [vb past] [been] [adv] [vb pp] [conj] | 18 |
|
| 3 | it had [be] [adv] [vb pp] [conj] | 18 |
|
| 4 | it [vb past] been [adv] [vb pp] [conj] | 18 |
|
| 5 | it [vb past] [be] [adv] [vb pp] that | 14 |
|
| 6 | it [vb past] [be] [adv] [vb pp] that | 14 |
|
| 7 | it [vb past] [be] [adv] [vb pp] [that] | 14 |
|
| 8 | it [vb past] [be] widely [vb pp] [conj] | 8 |
|
