| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] he have to do | 41 |
|
| 2 | what he have to do | 40 |
|
| 3 | [Wh det] he had to do | 29 |
|
| 4 | [Wh det] he has to do | 10 |
|
