| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] has [been] [vb pp] [prep] a | 51 |
|
| 2 | [det] has been [verb] [prep] a | 51 |
|
| 3 | this has [been] [verb] [prep] a | 45 |
|
| 4 | [det] has [been] [verb] by a | 15 |
|
| 5 | [det] has [been] [verb] in a | 11 |
|
| 6 | [det] has [been] [verb] as a | 8 |
|
| 7 | [det] has [been] done [prep] a | 5 |
|
| 8 | [det] has [been] do [prep] a | 5 |
|
| 9 | that has [been] [verb] [prep] a | 5 |
|
