| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb base] [been] [v-ing] for [adj] | 7 |
|
| 2 | who [vb base] been [v-ing] for [adj] | 7 |
|
| 3 | who have [been] [v-ing] for [adj] | 6 |
|
