| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] at [noun prp] | 113 |
|
| 2 | have [been] at [noun prp] | 113 |
|
| 3 | have [been] [prep] [noun prp] | 81 |
|
| 4 | have [been] at [noun] | 44 |
|
| 5 | have [be] at [noun prp] | 8 |
|
| 6 | [vb infin] [been] at [noun prp] | 8 |
|
