| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] a | 915 |
|
| 2 | have been a [adj -er] | 117 |
|
| 3 | have been [v-ing] [adj -er] | 44 |
|
| 4 | been [v-ing] a [adj -er] | 10 |
|
