| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [vb infin] [be] [verb] | 398 |
|
| 2 | [pron] [modal v] [vb infin] [be] think | 37 |
|
| 3 | [pron] must [verb] [be] think | 6 |
|
