| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [noun sg] on the | 6846 |
|
| 2 | [noun] concentrate on the | 216 |
|
| 3 | [noun sg] concentrate on the | 137 |
|
| 4 | [noun] [noun sg] concentrate on | 62 |
|
