| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] have been [v-ing] a [adj] | 35 |
|
| 2 | [noun prp] had been [v-ing] a [adj] | 20 |
|
| 3 | [noun prp] has been [v-ing] a [adj] | 19 |
|
| 4 | [noun prp] have been [v-ing] an [adj] | 8 |
|
