| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [verb] been [verb] | 3388 |
|
| 2 | [Wh pn] [verb] been [v-ing] | 1038 |
|
| 3 | [pron] [verb] been waiting | 275 |
|
| 4 | [Wh pn] [verb] be waiting | 25 |
|
| 5 | [Wh pn] [verb] been wait | 25 |
|
| 6 | [Wh pn] [verb] [be] waiting | 25 |
|
| 7 | [Wh pn] [verb] [been] waiting | 25 |
|
