| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be thought that [det] | 50 |
|
| 2 | it [is] thought that [det] | 33 |
|
| 3 | it is thought that [det] | 32 |
|
| 4 | it [be] thought that this | 21 |
|
| 5 | it was thought that [det] | 16 |
|
| 6 | it [was/were] thought that [det] | 16 |
|
| 7 | it [be] thought that some | 7 |
|
| 8 | it [be] thought that these | 5 |
|
