| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] must be [vb pp] to be | 37 |
|
| 2 | [noun sg] must be seen to be | 15 |
|
| 3 | [noun sg] must be see to be | 15 |
|
| 4 | [noun sg] must be assumed to be | 6 |
|
| 5 | [noun sg] must be assume to be | 6 |
|
