| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by focus [prep] the | 42 |
|
| 2 | by focusing [prep] the | 40 |
|
| 3 | by focus on the | 33 |
|
| 4 | by focus on the | 33 |
|
| 5 | by focus upon the | 9 |
|
| 6 | by focus upon the | 9 |
|
