| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] at the forefront | 143 |
|
| 2 | [be] at the forefront | 143 |
|
| 3 | [be] at [art] forefront | 143 |
|
| 4 | be at [art] forefront | 143 |
|
| 5 | [been] at [art] forefront | 39 |
|
| 6 | been at [art] forefront | 39 |
|
| 7 | [was/were] at [art] forefront | 33 |
|
| 8 | [be] at [art] forefront | 27 |
|
| 9 | be at [art] forefront | 27 |
|
| 10 | is at [art] forefront | 26 |
|
| 11 | [is] at [art] forefront | 26 |
|
| 12 | were at [art] forefront | 20 |
|
| 13 | [am/are] at [art] forefront | 17 |
|
| 14 | are at [art] forefront | 16 |
|
| 15 | was at [art] forefront | 13 |
|
