| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] must [vb infin] | 729 |
|
| 2 | [subord] [modal v] [vb infin] | 488 |
|
| 3 | [subord] [vb mod] [vb infin] | 488 |
|
| 4 | [subord] must [verb] | 6 |
|
| 5 | [subord] must [vb infin] | 6 |
|
