| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to concentrate on [adj] [noun pl] | 62 |
|
| 2 | to concentrate on [adj] [noun pl] | 50 |
|
| 3 | to concentrate on particular [noun pl] | 7 |
|
| 4 | to concentrate on [det] [noun pl] | 7 |
|
| 5 | to concentrate on particular [noun pl] | 7 |
|
| 6 | to concentrate on [adj] areas | 6 |
|
| 7 | to concentrate on [adj] issues | 5 |
|
| 8 | to concentrate on those [noun pl] | 5 |
|
| 9 | to concentrate on those [noun pl] | 5 |
|
