| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [pron] | 2882 |
|
| 2 | it is [pers pn] | 893 |
|
| 3 | it is we | 84 |
|
| 4 | it be us | 61 |
|
| 5 | it [be] us | 61 |
|
| 6 | it [is] us | 48 |
|
| 7 | [pron] is us | 14 |
|
