| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [det] at the centre [prep] | 5 |
|
| 2 | [prep] [det] at the centre [prep] | 5 |
|
| 3 | [prep] [det] at the centre of | 5 |
|
| 4 | [prep] [det] at the centre of | 5 |
|
