| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to further [vb infin] | 38 |
|
| 2 | [vb pp] [prep] further [vb infin] | 18 |
|
| 3 | [verb] [prep] further reduce | 5 |
|
| 4 | [vb -s] [prep] further [vb infin] | 5 |
|
| 5 | use [prep] further [vb infin] | 5 |
|
