| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have [been] [v-ing] | 10881 |
|
| 2 | [Wh pn] have [been] [verb] | 3388 |
|
| 3 | [Wh pn] [verb] [been] [v-ing] | 1038 |
|
| 4 | [Wh pn] have [be] [v-ing] | 1038 |
|
