| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [prep] [noun] | 2038 |
|
| 2 | [vb past] [been] [prep] [noun] | 1385 |
|
| 3 | it [vb past] [been] [prep] | 331 |
|
| 4 | it [vb past] [been] [noun] | 144 |
|
| 5 | it [been] [prep] [noun] | 6 |
|
