| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [prep] [art] [noun] | 981 |
|
| 2 | [vb infin] [prep] [art] same [noun] | 483 |
|
| 3 | must [vb infin] [art] same [noun] | 39 |
|
| 4 | must [vb infin] [prep] [art] same | 23 |
|
