| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been for [adj] [noun] | 106 |
|
| 2 | have been used for [noun] | 62 |
|
| 3 | have been used for [adj] | 61 |
|
| 4 | been used for [adj] [noun] | 59 |
|
| 5 | have been used [adj] [noun] | 7 |
|
