| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] [vb infin] [vb pp] | 1227 |
|
| 2 | [modal v] [vb infin] [adv] [vb pp] | 1084 |
|
| 3 | [Wh det] [modal v] [vb infin] [adv] | 726 |
|
| 4 | [Wh det] [modal v] [adv] [vb pp] | 5 |
|
