| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [adv] been [v-ing] for [adj] | 6 |
|
| 2 | has [adv] [been] [v-ing] for [adj] | 6 |
|
| 3 | has [adv] [been] [v-ing] for [adj] | 6 |
|
