| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be at the forefront [prep] | 13 |
|
| 2 | to be at [art] forefront [prep] | 13 |
|
| 3 | to be at the forefront [prep] | 13 |
|
| 4 | to be at [art] forefront of | 13 |
|
| 5 | to be at [art] forefront [prep] | 13 |
|
| 6 | to be at [art] forefront [prep] | 13 |
|
| 7 | to be at [art] forefront of | 13 |
|
