| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] a [adj] [noun sg] | 17344 |
|
| 2 | must [vb infin] a [noun sg] | 867 |
|
| 3 | must [vb infin] a [adj] | 587 |
|
| 4 | must [vb infin] [adj] [noun sg] | 335 |
|
