| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] on | 3640 |
|
| 2 | be focus on | 361 |
|
| 3 | [be] focus on | 361 |
|
| 4 | been focus [prep] | 66 |
|
| 5 | been focus [prep] | 66 |
|
| 6 | been focus on | 61 |
|
| 7 | [been] focus on | 61 |
|
