| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] the same | 57 |
|
| 2 | must [vb infin] the same | 57 |
|
| 3 | must [vb infin] [art] same | 57 |
|
| 4 | must [vb infin] [art] same | 57 |
|
| 5 | must have [art] same | 14 |
|
| 6 | must do [art] same | 7 |
|
