| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and must [verb] [vb pp] | 60 |
|
| 2 | and must [verb] [vb pp] | 60 |
|
| 3 | and must [vb infin] [vb pp] | 60 |
|
| 4 | and must have [vb pp] | 59 |
|
| 5 | and must have [vb pp] | 59 |
|
| 6 | and must [verb] had | 5 |
|
