| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it is [verb] that | 128 |
|
| 2 | but it is [vb pp] that | 121 |
|
| 3 | [conj] it is thought that | 52 |
|
| 4 | [coord] it is thought that | 30 |
|
| 5 | but it [be] thought that | 21 |
|
| 6 | but it be thought that | 21 |
|
| 7 | but it [is] thought that | 16 |
|
| 8 | but it is think that | 15 |
|
| 9 | but [pron] is thought that | 15 |
|
| 10 | but it is thought that | 15 |
|
| 11 | but it is thought [conj] | 15 |
|
