| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [prep] | 2086 |
|
| 2 | has [been] [prep] | 2086 |
|
| 3 | [verb] [been] at | 1068 |
|
| 4 | have [been] at | 1067 |
|
| 5 | [vb -s] [been] at | 231 |
|
| 6 | has [been] at | 188 |
|
| 7 | has [be] at | 188 |
|
