| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [adv] [vb infin] [art] [adj] | 229 |
|
| 2 | [adv] [vb infin] at [art] [adj] | 151 |
|
| 3 | must [vb infin] at [art] [adj] | 22 |
|
| 4 | must [adv] [vb infin] at [art] | 13 |
|
| 5 | must [adv] [vb infin] at [adj] | 6 |
|
