| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have [been] [v-ing] to | 294 |
|
| 2 | what have [been] [v-ing] [prep] | 67 |
|
| 3 | what have [been] [verb] to | 51 |
|
| 4 | what [verb] [been] [v-ing] to | 15 |
|
| 5 | what have [be] [v-ing] to | 15 |
|
