| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [vb pp] [prep] [noun] | 3363 |
|
| 2 | it [be] [vb pp] [prep] [noun] | 3363 |
|
| 3 | [pron] is [vb pp] [prep] [noun] | 2669 |
|
| 4 | it is [verb] [prep] [noun] | 1186 |
|
| 5 | it [is] [vb pp] [prep] [noun] | 1181 |
|
