| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which is [vb pp] to be [adj] | 44 |
|
| 2 | what is [vb pp] to be [adj] | 14 |
|
| 3 | [Wh det] is known to be [adj] | 9 |
|
| 4 | [Wh det] is believed to be [adj] | 7 |
|
| 5 | [Wh det] is thought to be [adj] | 6 |
|
| 6 | [Wh det] is assumed to be [adj] | 6 |
|
