| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is thought that [adj] | 46 |
|
| 2 | it is thought that [noun] | 25 |
|
| 3 | is thought that [adj] [noun] | 22 |
|
| 4 | it is that [adj] [noun] | 17 |
|
| 5 | it is thought [adj] [noun] | 7 |
|
