| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [verb] in some | 56 |
|
| 2 | has [been] [vb pp] in some | 54 |
|
| 3 | has [been] used in [adj] | 29 |
|
| 4 | has [been] used [prep] some | 7 |
|
| 5 | have [been] used in some | 6 |
|
| 6 | [verb] [been] used in some | 6 |
|
| 7 | has [been] use in some | 5 |
|
| 8 | [vb -s] [been] used in some | 5 |
|
| 9 | has [be] used in some | 5 |
|
