| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been used [prep] [adj] [noun pl] | 107 |
|
| 2 | have been used [prep] [adj] [noun pl] | 107 |
|
| 3 | have been used in [adj] [noun pl] | 41 |
|
| 4 | have been used in [adj] [noun pl] | 41 |
|
| 5 | have been used [verb] [adj] [noun pl] | 36 |
|
| 6 | have been used [to-vb] [adj] [noun pl] | 36 |
|
| 7 | have been used for [adj] [noun pl] | 33 |
|
| 8 | have been used for [adj] [noun pl] | 33 |
|
| 9 | have been used by [adj] [noun pl] | 19 |
|
| 10 | have been used by [adj] [noun pl] | 19 |
|
