| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were [verb] at | 2796 |
|
| 2 | were [vb pp] at | 2090 |
|
| 3 | were based [prep] | 302 |
|
| 4 | were based [prep] | 302 |
|
| 5 | be based at | 186 |
|
| 6 | [be] based at | 186 |
|
| 7 | [was/were] based at | 33 |
|
| 8 | were base at | 6 |
|
| 9 | were based at | 6 |
|
