| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] gone [art] | 6 |
|
| 2 | must [vb infin] gone [art] | 6 |
|
| 3 | must have gone [art] | 6 |
|
| 4 | must have gone [art] | 6 |
|
