| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was centred [prep] the | 23 |
|
| 2 | was centred on the | 12 |
|
| 3 | was centred on the | 12 |
|
| 4 | was centred around the | 5 |
|
| 5 | was centred around the | 5 |
|
