| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we must [vb infin] a [noun sg] | 75 |
|
| 2 | [adv] must [vb infin] a [noun sg] | 18 |
|
| 3 | [adv] we must [vb infin] a | 12 |
|
| 4 | [adv] we must [vb infin] [noun sg] | 8 |
|
