| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what he must [verb] | 29 |
|
| 2 | what he must [vb infin] | 29 |
|
| 3 | what he must do | 11 |
|
| 4 | what he must do | 11 |
|
| 5 | what he must have | 10 |
|
| 6 | what he must have | 10 |
|
