| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] had been [prep] | 143 |
|
| 2 | [conj] [verb] been at | 24 |
|
| 3 | [conj] have been at | 24 |
|
| 4 | [conj] had [been] at | 10 |
|
| 5 | [conj] had be at | 10 |
|
| 6 | [conj] [vb past] been at | 10 |
|
| 7 | [conj] had [be] at | 10 |
|
