| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] must [verb] | 1320 |
|
| 2 | [adv] [pron] must [vb infin] | 1318 |
|
| 3 | [adv] [pron] [modal v] do | 1123 |
|
| 4 | [adv] [pron] must do | 25 |
|
