| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been [v-ing] [det] | 31 |
|
| 2 | [Wh pn] had been [v-ing] [det] | 12 |
|
| 3 | [Wh pn] have been [v-ing] [det] | 7 |
|
| 4 | [Wh pn] has been [v-ing] [det] | 7 |
|
| 5 | [Wh pn] have been [v-ing] all | 7 |
|
| 6 | [Wh pn] have been [v-ing] this | 7 |
|
| 7 | [Wh pn] have been [v-ing] some | 6 |
|
| 8 | [Wh pn] have been doing [det] | 6 |
|
