| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] been at | 37 |
|
| 2 | it have been at | 36 |
|
| 3 | it [vb past] been at | 24 |
|
| 4 | it had been at | 23 |
|
| 5 | it [vb -s] been at | 13 |
|
| 6 | it has been at | 7 |
|
| 7 | it 's been at | 5 |
|
