| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] i [was/were] [adj] | 8 |
|
| 2 | must [verb] i [was/were] [adj] | 8 |
|
| 3 | must [verb] i [was/were] [adj] | 8 |
|
| 4 | must [verb] i was [adj] | 8 |
|
