| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] [verb] [been] [v-ing] | 595 |
|
| 2 | [Wh det] he [verb] [been] [verb] | 269 |
|
| 3 | [pron] he [verb] [been] [v-ing] | 164 |
|
| 4 | [Wh det] he [verb] [be] [v-ing] | 137 |
|
