| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [v-ing] a [adj] | 10 |
|
| 2 | they have [been] [v-ing] a [adj] | 10 |
|
| 3 | they have [been] [v-ing] a [adj] | 9 |
|
| 4 | they have [been] [v-ing] a [adj] | 5 |
|
