| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] a [det] [noun pl] | 180 |
|
| 2 | [vb past] [been] [verb] [det] [noun pl] | 63 |
|
| 3 | [been] [verb] a [det] [noun pl] | 53 |
|
| 4 | [vb past] [been] [verb] a [det] | 26 |
|
| 5 | [vb past] [been] a [det] [noun pl] | 13 |
|
