| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [n mass] [modal v] [verb] to [be] | 28 |
|
| 2 | [adj] [n mass] [modal v] [vb infin] to [be] | 28 |
|
| 3 | [adj] [n mass] [modal v] have to [be] | 12 |
|
| 4 | [adj] [n mass] [modal v] have to [be] | 12 |
|
