| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [Wh pn] have been [v-ing] | 8 |
|
| 2 | [pron] [Wh pn] have be [v-ing] | 8 |
|
| 3 | [pron] [Wh pn] have [been] [v-ing] | 8 |
|
| 4 | [pers pn] [Wh pn] have [be] [v-ing] | 8 |
|
| 5 | [pron] who have [be] [v-ing] | 8 |
|
