| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] to be | 513 |
|
| 2 | [is] thought to be | 330 |
|
| 3 | [adv] thought to be | 215 |
|
| 4 | [is] [adv] thought to | 55 |
|
