| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] thought to be [adj] | 78 |
|
| 2 | was thought to [be] [adj] | 43 |
|
| 3 | were thought to [be] [adj] | 35 |
|
| 4 | [was/were] thought to [be] necessary | 5 |
|
| 5 | [was/were] thought to [be] responsible | 5 |
|
