| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] at [art] same | 45 |
|
| 2 | [modal v] [vb infin] at [art] same | 45 |
|
| 3 | must [vb infin] [prep] [art] same | 23 |
|
| 4 | must [vb infin] [prep] [art] same | 23 |
|
| 5 | must [vb infin] at [art] [adj] | 22 |
|
| 6 | must [verb] at [art] same | 7 |
|
| 7 | must [vb infin] at [art] same | 7 |
|
| 8 | must [vb infin] at [art] same | 7 |
|
| 9 | must [vb infin] at [art] same | 7 |
|
