| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been for [adj] [noun pl] | 67 |
|
| 2 | have been used for [adj] | 61 |
|
| 3 | been used for [adj] [noun pl] | 39 |
|
| 4 | have been used for [noun pl] | 21 |
|
| 5 | have been used [adj] [noun pl] | 5 |
|
