| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] a | 3898 |
|
| 2 | [vb -s] [been] call | 316 |
|
| 3 | [vb -s] call a | 50 |
|
| 4 | [been] call a | 48 |
|
