| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been used [prep] a [adj] | 38 |
|
| 2 | have been used [prep] a [adj] | 32 |
|
| 3 | have been used as a [adj] | 21 |
|
| 4 | have been used as a [adj] | 21 |
|
| 5 | has been used [prep] a [adj] | 16 |
|
| 6 | have been used [prep] a [adj] | 9 |
|
| 7 | have been used [prep] an [adj] | 6 |
|
| 8 | have been used by a [adj] | 5 |
|
| 9 | have been used [prep] a wide | 5 |
|
| 10 | have been used for a [adj] | 5 |
|
| 11 | have been used by a [adj] | 5 |
|
| 12 | have been used in a [adj] | 5 |
|
| 13 | have been used in a [adj] | 5 |
|
| 14 | have been used [prep] a [adj] | 5 |
|
| 15 | have been used for a [adj] | 5 |
|
