| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they must [adv] [vb infin] | 180 |
|
| 2 | must [adv] [vb infin] [noun sg] | 134 |
|
| 3 | they must [vb infin] [noun sg] | 47 |
|
| 4 | they [adv] [vb infin] [noun sg] | 12 |
|
