| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] always have a [noun sg] | 32 |
|
| 2 | must [adv] have a [noun sg] | 18 |
|
| 3 | must [adv] have a [noun sg] | 18 |
|
| 4 | must always [verb] a [noun sg] | 12 |
|
| 5 | must always [vb infin] a [noun sg] | 12 |
|
| 6 | must always have a [noun] | 7 |
|
| 7 | must always have [art] [noun sg] | 7 |
|
| 8 | must always have a [noun sg] | 7 |
|
| 9 | must always have a [noun sg] | 7 |
|
