| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] have be [verb] to | 341 |
|
| 2 | [pron] have be [v-ing] to | 294 |
|
| 3 | [Wh det] have be [v-ing] [prep] | 195 |
|
| 4 | [Wh det] [verb] be [v-ing] to | 19 |
|
| 5 | [Wh det] have [be] [v-ing] to | 18 |
|
