| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what is [vb pp] to be | 64 |
|
| 2 | of what is [vb pp] to be | 20 |
|
| 3 | in what is [vb pp] to be | 15 |
|
| 4 | [prep] what is believed to be | 11 |
|
| 5 | [prep] what is expected to be | 9 |
|
| 6 | [prep] what is thought to be | 8 |
|
| 7 | [prep] what is perceived to be | 6 |
|
| 8 | for what is [vb pp] to be | 6 |
|
| 9 | on what is [vb pp] to be | 5 |
|
| 10 | [prep] what is claimed to be | 5 |
|
| 11 | [prep] what is said to be | 5 |
|
