| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] at the [noun] | 1256 |
|
| 2 | [be] at the forefront | 143 |
|
| 3 | [was/were] [prep] the forefront | 58 |
|
| 4 | [was/were] at [art] forefront | 33 |
|
| 5 | [was/were] at [art] forefront | 33 |
|
| 6 | [was/were] at the forefront | 33 |
|
