| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [verb] to | 1894 |
|
| 2 | it [is] [vb pp] to | 976 |
|
| 3 | it [is] shown [prep] | 19 |
|
| 4 | it [is] shown [prep] | 19 |
|
| 5 | it [be] shown to | 18 |
|
| 6 | [pron] [is] shown to | 12 |
|
| 7 | [pers pn] [is] shown to | 10 |
|
| 8 | it [is] show to | 8 |
|
| 9 | it [is] shown to | 7 |
|
| 10 | it [is] shown to | 7 |
|
