| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] been [v-ing] [art] | 75 |
|
| 2 | who had been [v-ing] [art] | 68 |
|
| 3 | who [vb past] been [v-ing] the | 50 |
|
| 4 | who [vb past] been [v-ing] a | 21 |
|
| 5 | who [vb past] been watching [art] | 9 |
|
| 6 | who 'd been [v-ing] [art] | 7 |
|
| 7 | who [vb past] been having [art] | 7 |
|
