| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [be] [verb] at | 270 |
|
| 2 | [Wh pn] [be] [vb pp] at | 136 |
|
| 3 | [pron] [be] based at | 60 |
|
| 4 | [Wh pn] [be] based [prep] | 57 |
|
| 5 | [Wh pn] [be] based [prep] | 57 |
|
| 6 | [Wh pn] [be] base at | 16 |
|
| 7 | [Wh pn] [be] based at | 16 |
|
