| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been at the [noun sg] | 50 |
|
| 2 | have [been] at the [noun sg] | 44 |
|
| 3 | [vb base] [been] at the forefront | 11 |
|
| 4 | [vb base] [been] at the heart | 7 |
|
| 5 | [vb base] [been] at the centre | 6 |
|
| 6 | 've [been] at the [noun sg] | 6 |
|
