| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is to be [vb pp] [adj] | 51 |
|
| 2 | [is] to be made [adj] | 17 |
|
| 3 | [is] to be [vb pp] available | 8 |
|
| 4 | [is] to be considered [adj] | 6 |
|
| 5 | [is] to be left [adj] | 5 |
|
