| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb infin] for a [adj] | 107 |
|
| 2 | must [adv] [vb infin] a [adj] | 82 |
|
| 3 | must [vb infin] for a [adj] | 9 |
|
| 4 | must [adv] [vb infin] for a | 7 |
|
