| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] have been [v-ing] for [num] | 10 |
|
| 2 | [Wh det] [verb] been [v-ing] for [num] | 10 |
|
| 3 | which [verb] been [v-ing] for [num] | 10 |
|
| 4 | [Wh det] has been [v-ing] for [num] | 7 |
|
| 5 | [Wh det] [vb -s] been [v-ing] for [num] | 7 |
|
| 6 | [Wh det] [verb] been running for [num] | 6 |
|
