| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by focus [prep] [art] | 48 |
|
| 2 | by focusing [prep] [art] | 46 |
|
| 3 | by focus [prep] the | 42 |
|
| 4 | by focus on [art] | 39 |
|
| 5 | by focus upon [art] | 9 |
|
| 6 | by focus [prep] a | 6 |
|
