| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [verb] [prep] [be] | 2017 |
|
| 2 | it be [vb pp] [prep] [be] | 689 |
|
| 3 | [pron] be thought [prep] [be] | 228 |
|
| 4 | [pers pn] be thought [prep] [be] | 102 |
|
| 5 | it be thought [prep] [be] | 51 |
|
| 6 | it be think [prep] [be] | 51 |
|
| 7 | it [be] thought [prep] [be] | 51 |
|
| 8 | it be thought [prep] [be] | 51 |
|
