| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have [adv] been [v-ing] | 17 |
|
| 2 | which [verb] [adv] been [v-ing] | 17 |
|
| 3 | which [verb] [adv] been [v-ing] | 16 |
|
| 4 | which [vb past] [adv] been [v-ing] | 8 |
|
| 5 | which had [adv] been [v-ing] | 8 |
|
| 6 | which [vb -s] [adv] been [v-ing] | 6 |
|
| 7 | which has [adv] been [v-ing] | 6 |
|
