| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be based at | 186 |
|
| 2 | [is] based at | 84 |
|
| 3 | is based at | 84 |
|
| 4 | [be] based at | 41 |
|
| 5 | be based at | 41 |
|
| 6 | [was/were] based at | 33 |
|
| 7 | was based at | 27 |
|
| 8 | [am/are] based at | 21 |
|
| 9 | are based at | 18 |
|
| 10 | were based at | 6 |
|
