| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] [verb] be [v-ing] | 683 |
|
| 2 | [Wh det] [pron] have be [v-ing] | 596 |
|
| 3 | [Wh det] [pron] [vb base] be [v-ing] | 332 |
|
| 4 | [pron] [pron] 've be [v-ing] | 237 |
|
| 5 | [Wh det] [pron] 've be [verb] | 227 |
|
| 6 | [Wh det] [pron] 've [be] [v-ing] | 192 |
|
