| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun sg] on the | 19960 |
|
| 2 | [noun sg] concentrate on the | 137 |
|
| 3 | [adj] [noun sg] concentrate on | 125 |
|
| 4 | [adj] concentrate on the | 48 |
|
