| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] [modal v] do | 1783 |
|
| 2 | what they [modal v] [verb] | 728 |
|
| 3 | what they [modal v] [vb infin] | 630 |
|
| 4 | [pron] they [modal v] do | 312 |
|
| 5 | what they [modal v] do | 250 |
|
