| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] have been [v-ing] the | 110 |
|
| 2 | who have been [v-ing] the | 107 |
|
| 3 | [Wh pn] had been [v-ing] the | 47 |
|
| 4 | [Wh pn] has been [v-ing] the | 28 |
|
| 5 | [Wh pn] have been [v-ing] the | 18 |
|
| 6 | [Wh pn] 's been [v-ing] the | 11 |
|
| 7 | [Wh pn] have been doing the | 9 |
|
| 8 | [Wh pn] have been watching the | 9 |
|
| 9 | [Wh pn] have been studying the | 5 |
|
| 10 | [Wh pn] 'd been [v-ing] the | 5 |
|
