| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might have be at | 12 |
|
| 2 | might [vb infin] been at | 12 |
|
| 3 | might [vb infin] be at | 12 |
|
| 4 | might [vb infin] be at | 12 |
|
