| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have [adv] been [v-ing] | 52 |
|
| 2 | who had [adv] been [v-ing] | 42 |
|
| 3 | who have not been [v-ing] | 10 |
|
| 4 | who has [adv] been [v-ing] | 10 |
|
| 5 | who have [not/n't] been [v-ing] | 10 |
|
| 6 | who have recently been [v-ing] | 9 |
|
| 7 | who have also been [v-ing] | 9 |
|
| 8 | who have recently been [v-ing] | 9 |
|
| 9 | who have also been [v-ing] | 9 |
|
| 10 | who have not been [v-ing] | 9 |
|
| 11 | who have [adv] been [v-ing] | 7 |
|
| 12 | who have [adv] been working | 7 |
|
