| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] at the [noun] | 297 |
|
| 2 | have [been] at the [noun sg] | 273 |
|
| 3 | have [been] [prep] the forefront | 53 |
|
| 4 | have [been] [prep] the forefront | 53 |
|
| 5 | [verb] [been] at the forefront | 33 |
|
| 6 | have [been] at [art] forefront | 33 |
|
| 7 | have [been] at the forefront | 33 |
|
| 8 | have [been] at the forefront | 33 |
|
| 9 | have [be] at the forefront | 33 |
|
