| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they must [adv] [vb infin] [art] [noun sg] | 21 |
|
| 2 | they must [adv] [vb infin] the [noun sg] | 13 |
|
| 3 | they must also [vb infin] [art] [noun sg] | 7 |
|
| 4 | they must [adv] [vb infin] a [noun sg] | 6 |
|
