| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at [noun prp] | 14660 |
|
| 2 | [vb pp] at [noun prp] | 5572 |
|
| 3 | based [prep] [noun prp] | 1797 |
|
| 4 | based at [noun] | 381 |
|
| 5 | base at [noun prp] | 361 |
|
