| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] to be | 406 |
|
| 2 | it is [vb pp] to be | 300 |
|
| 3 | [pron] is believed to be | 87 |
|
| 4 | it [be] believed to be | 43 |
|
| 5 | it be believed to be | 43 |
|
| 6 | it [is] believed to be | 34 |
|
| 7 | it is believed to [be] | 31 |
|
| 8 | it is believed to be | 31 |
|
| 9 | it is believed to [be] | 31 |
|
| 10 | it is believed [prep] be | 31 |
|
| 11 | it is believed to be | 31 |
|
| 12 | it is believe to be | 31 |
|
| 13 | it is believed [prep] be | 31 |
|
