| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [be] [verb] | 12232 |
|
| 2 | it [vb mod] [be] [vb pp] | 11463 |
|
| 3 | [pron] [vb mod] [be] seen | 1035 |
|
| 4 | [pers pn] [vb mod] [be] seen | 818 |
|
| 5 | it [vb mod] [be] see | 606 |
|
| 6 | it [modal v] [be] seen | 600 |
|
| 7 | it [vb mod] [be] seen | 600 |
|
| 8 | it [vb mod] [be] seen | 600 |
|
