| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [subord] it [be] [vb pp] | 319 |
|
| 2 | [verb] [subord] it [is] [vb pp] | 316 |
|
| 3 | [vb pp] [conj] it [is] [vb pp] | 249 |
|
| 4 | [vb pp] [subord] [pron] [is] [vb pp] | 219 |
|
| 5 | [vb pp] [subord] it [is] [verb] | 213 |
|
