| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [verb] on the | 7895 |
|
| 2 | [verb] concentrate on the | 175 |
|
| 3 | [noun sg] concentrate on the | 137 |
|
| 4 | [noun sg] [verb] concentrate on | 88 |
|
| 5 | [noun sg] [verb] concentrate the | 5 |
|
