| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are to be [verb] [adj] | 44 |
|
| 2 | are to be [vb pp] [adj] | 44 |
|
| 3 | be to be kept [adj] | 15 |
|
| 4 | [be] to be kept [adj] | 15 |
|
| 5 | are to be kept [adj] | 5 |
|
| 6 | are to be kept [adj] | 5 |
|
| 7 | are to [be] kept [adj] | 5 |
|
| 8 | are to be kept [adj] | 5 |
|
| 9 | are to [be] kept [adj] | 5 |
|
| 10 | are [prep] be kept [adj] | 5 |
|
| 11 | are to be keep [adj] | 5 |
|
| 12 | are [prep] be kept [adj] | 5 |
|
| 13 | [am/are] to be kept [adj] | 5 |
|
