| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [verb] been at | 72 |
|
| 2 | who have be at | 72 |
|
| 3 | who [vb past] be at | 47 |
|
| 4 | who had be at | 44 |
|
| 5 | who [vb -s] be at | 19 |
|
| 6 | who has be at | 17 |
|
| 7 | who [vb base] be at | 6 |
|
| 8 | who have be at | 6 |
|
