| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | concentrate on [verb] [adv prt] [prep] the | 5 |
|
| 2 | concentrate on [verb] [adv prt] [prep] the | 5 |
|
| 3 | concentrate on [verb] [adv prt] the [noun] | 5 |
|
