| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be thought to be an | 16 |
|
| 2 | [be] thought to be an | 16 |
|
| 3 | [is] thought to be an | 7 |
|
| 4 | is thought to be an | 7 |
|
| 5 | [was/were] thought to be an | 6 |
|
| 6 | was thought to be an | 5 |
|
| 7 | thought to be an [noun] | 10 |
|
| 8 | thought to be an [noun sg] | 10 |
|
| 9 | thought to be an [adj] | 9 |
|
| 10 | thought to be an [adj] | 9 |
|
