| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be to [be] keep [adj] | 15 |
|
| 2 | [be] to [be] kept [adj] | 15 |
|
| 3 | [be] to be keep [adj] | 15 |
|
| 4 | [was/were] to [be] keep [adj] | 6 |
|
| 5 | are to [be] keep [adj] | 5 |
|
| 6 | [be] to [be] keep alive | 5 |
|
| 7 | [am/are] to [be] keep [adj] | 5 |
|
