| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [pers pn] [vb mod] do | 202 |
|
| 2 | [prep] what [pers pn] [modal v] do | 202 |
|
| 3 | [prep] what [pers pn] must [verb] | 24 |
|
| 4 | [prep] what [pers pn] must [vb infin] | 24 |
|
| 5 | [prep] what [pers pn] must do | 5 |
|
| 6 | [prep] what [pron] must do | 5 |
|
| 7 | [prep] [pron] [pers pn] must do | 5 |
|
| 8 | [prep] [Wh det] [pers pn] must do | 5 |
|
| 9 | [prep] what [pers pn] must do | 5 |
|
| 10 | [prep] what [pers pn] must do | 5 |
|
| 11 | [prep] what [pers pn] must do | 5 |
|
