| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be thought that [det] [noun sg] | 10 |
|
| 2 | it [be] thought that [det] [noun sg] | 10 |
|
| 3 | it [is] thought that [det] [noun sg] | 6 |
|
| 4 | it is thought that [det] [noun sg] | 6 |
|
| 5 | it [be] thought that this [noun sg] | 6 |
|
