| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] a [noun sg] | 22281 |
|
| 2 | [modal v] [vb infin] a [noun sg] | 22281 |
|
| 3 | must [vb infin] [art] [noun sg] | 2535 |
|
| 4 | must [vb infin] a [noun] | 1023 |
|
| 5 | must [verb] a [noun sg] | 985 |
|
| 6 | must [vb infin] a [noun sg] | 985 |
|
