| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [prep] [Wh det] have [verb] to | 8 |
|
| 2 | [det] [prep] [Wh det] have [vb pp] to | 8 |
|
| 3 | [det] [prep] [Wh det] have [adv] to | 5 |
|
| 4 | [det] [prep] [Wh det] have to be | 10 |
|
| 5 | [det] [prep] [Wh det] have to be | 10 |
|
| 6 | [det] [prep] [Wh det] have to [be] | 10 |
|
| 7 | [det] [prep] [Wh det] have to [be] | 10 |
|
