| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] who [vb -s] been [v-ing] for | 10 |
|
| 2 | [noun sg] [Wh pn] has been [v-ing] for | 5 |
|
| 3 | [noun sg] [Wh pn] 's been [v-ing] for | 5 |
|
