| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] a [noun sg] | 52299 |
|
| 2 | must [verb] a [noun sg] | 867 |
|
| 3 | [pron] must [verb] a | 780 |
|
| 4 | [pron] must [verb] [noun sg] | 539 |
|
