| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [verb] on | 665 |
|
| 2 | [modal v] be focus on | 41 |
|
| 3 | should be focus [prep] | 14 |
|
| 4 | should be focus [prep] | 14 |
|
| 5 | should be focus on | 12 |
|
| 6 | should [be] focus on | 12 |
|
| 7 | should be focus on | 12 |
|
| 8 | should [be] focus on | 12 |
|
