| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] have [be] [v-ing] to | 26 |
|
| 2 | [Wh pn] have [been] [v-ing] to | 26 |
|
| 3 | [Wh pn] have been [v-ing] to | 26 |
|
| 4 | [Wh pn] have be [v-ing] to | 26 |
|
| 5 | who have [be] [v-ing] to | 23 |
|
| 6 | [Wh pn] had [be] [v-ing] to | 9 |
|
| 7 | [Wh pn] have [be] [v-ing] to | 9 |
|
| 8 | [Wh pn] have [be] listening to | 5 |
|
