| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] at [adj] [noun] | 265 |
|
| 2 | been [vb pp] at [adj] [noun] | 231 |
|
| 3 | been used [prep] [adj] [noun] | 200 |
|
| 4 | been used [prep] [adj] [noun] | 200 |
|
| 5 | [be] used at [adj] [noun] | 55 |
|
| 6 | be used at [adj] [noun] | 55 |
|
| 7 | been use at [adj] [noun] | 6 |
|
| 8 | [been] used at [adj] [noun] | 6 |
|
| 9 | been used at [adj] [noun] | 6 |
|
