| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [verb] [prep] [det] [prep] | 233 |
|
| 2 | have [been] [vb pp] [prep] [det] [prep] | 197 |
|
| 3 | have [been] used [prep] [adj] [prep] | 16 |
|
| 4 | have [been] used [prep] [det] [prep] | 6 |
|
| 5 | have [be] used [prep] [det] [prep] | 6 |
|
| 6 | [verb] [been] used [prep] [det] [prep] | 6 |
|
| 7 | have [been] use [prep] [det] [prep] | 6 |
|
