| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and has been [verb] [prep] a | 45 |
|
| 2 | and has been [vb pp] [prep] a | 42 |
|
| 3 | and has been use [prep] a | 6 |
|
| 4 | and has been used [prep] a | 6 |
|
| 5 | and has been [adj] [prep] a | 5 |
|
| 6 | and has been [adj] [prep] a | 5 |
|
