| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [verb] a [adj] | 2806 |
|
| 2 | must [verb] a [adj] | 648 |
|
| 3 | must [vb infin] a [adj] | 648 |
|
| 4 | must [vb infin] [verb] [adj] | 594 |
|
| 5 | must [vb infin] [verb] a | 380 |
|
