| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has be a | 3153 |
|
| 2 | has [been] a | 3147 |
|
| 3 | has been a | 3147 |
|
| 4 | has is a | 6 |
|
| 5 | has [is] a | 6 |
|
