| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | force [pn reflx] [verb] on | 14 |
|
| 2 | force [pn reflx] [to-vb] on | 14 |
|
| 3 | force [pn reflx] to concentrate on | 10 |
|
| 4 | force [pn reflx] concentrate on | 10 |
|
| 5 | force [pn reflx] on [pron] | 13 |
|
| 6 | force [pn reflx] on [pers pn] | 10 |
|
| 7 | force [pn reflx] on [art] | 6 |
|
| 8 | force [pn reflx] on [art] | 6 |
|
