| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] at [noun] | 437 |
|
| 2 | [be] at risk | 433 |
|
| 3 | [been] at [noun sg] | 243 |
|
| 4 | [been] at risk | 10 |
|
| 5 | [been] [prep] risk | 10 |
|
| 6 | [been] at risk | 10 |
|
| 7 | [been] [prep] risk | 10 |
|
