| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] a [adj] | 75 |
|
| 2 | has [been] [v-ing] a [adj] | 72 |
|
| 3 | has [been] having a [adj] | 10 |
|
| 4 | has [been] undergoing a [adj] | 5 |
|
