| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [indef pn] who have been [v-ing] for | 6 |
|
| 2 | [indef pn] who have be [v-ing] for | 6 |
|
| 3 | [indef pn] who have [been] [v-ing] for | 6 |
|
