| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [noun sg] must have [verb] | 240 |
|
| 2 | the [noun sg] must [verb] a | 143 |
|
| 3 | [noun sg] must have [verb] a | 53 |
|
| 4 | the [noun sg] must have a | 32 |
|
