| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] have been [v-ing] to | 18 |
|
| 2 | [Wh det] have be [v-ing] to | 18 |
|
| 3 | [Wh det] have [be] [v-ing] to | 18 |
|
| 4 | [Wh det] have [been] [v-ing] to | 18 |
|
| 5 | what have [be] [v-ing] to | 15 |
|
| 6 | [Wh det] have [be] happening to | 14 |
|
| 7 | [Wh det] has [be] [v-ing] to | 9 |
|
| 8 | [Wh det] 's [be] [v-ing] to | 7 |
|
