| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [verb] [modal v] [verb] [adj] | 24 |
|
| 2 | [adj] [verb] [modal v] [vb infin] [adj] | 24 |
|
| 3 | [adj] [verb] [modal v] have [adj] | 7 |
|
