| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he has been [verb] a | 23 |
|
| 2 | he has be [verb] a | 23 |
|
| 3 | he has be [v-ing] a | 13 |
|
| 4 | he has be [vb pp] a | 10 |
|
