| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been use [prep] a | 15 |
|
| 2 | have been use [prep] a | 15 |
|
| 3 | have been use [to-vb] a | 10 |
|
| 4 | have been use [verb] a | 10 |
|
| 5 | have been use as a | 9 |
|
| 6 | have been use as a | 9 |
|
