| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they are to be [adj] | 31 |
|
| 2 | they are to [be] [adj] | 31 |
|
| 3 | they are to [be] able | 6 |
|
| 4 | they are to [be] effective | 5 |
|
