| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been at the [noun sg] of | 49 |
|
| 2 | has [been] at the [noun sg] of | 49 |
|
| 3 | [vb -s] [been] at the forefront of | 15 |
|
| 4 | [vb -s] [been] at the centre of | 13 |
|
| 5 | [vb -s] [been] at the heart of | 6 |
|
