| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb base] been [v-ing] [adv] | 34 |
|
| 2 | who have been [v-ing] [adv] | 23 |
|
| 3 | who [vb base] been [v-ing] [adv] | 20 |
|
| 4 | who [vb base] been [v-ing] [adv prt] | 14 |
|
| 5 | who 've been [v-ing] [adv] | 11 |
|
