| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] be [noun] [noun prp] | 18 |
|
| 2 | it [vb past] been [noun] [noun prp] | 17 |
|
| 3 | it had be [noun] [noun prp] | 17 |
|
| 4 | it [vb past] be [noun prp] [noun prp] | 16 |
|
