| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i must [verb] at [adj] | 6 |
|
| 2 | i must [verb] at [det] | 6 |
|
| 3 | i must [vb infin] at [adj] | 6 |
|
| 4 | i must [verb] at [adj] | 6 |
|
