| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are to be made [adj] | 12 |
|
| 2 | are to be [vb pp] available | 9 |
|
| 3 | are to be given [adj] | 6 |
|
| 4 | are to be kept [adj] | 5 |
|
