| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] has [been] [verb] a | 116 |
|
| 2 | has [been] [verb] on a | 104 |
|
| 3 | [noun prp] has [been] [verb] on | 47 |
|
| 4 | [noun prp] has [verb] on a | 14 |
|
