| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] 've been [v-ing] | 44 |
|
| 2 | [Wh pn] 've be [v-ing] | 44 |
|
| 3 | [Wh pn] 've [been] [v-ing] | 44 |
|
| 4 | who 've [be] [v-ing] | 44 |
|
| 5 | [Wh pn] 've [be] doing | 7 |
|
