| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [verb] on the [noun] | 600 |
|
| 2 | [vb base] [to-vb] on the [noun] | 212 |
|
| 3 | [verb] to concentrate on the [noun] | 57 |
|
| 4 | [vb base] concentrate on the [noun] | 42 |
|
| 5 | [vb base] to concentrate [prep] the [noun] | 23 |
|
| 6 | [vb base] to concentrate [prep] the [noun] | 23 |
|
| 7 | [vb base] to concentrate on [art] [noun] | 22 |
|
| 8 | [vb base] to concentrate on [art] [noun] | 22 |
|
| 9 | [vb base] to concentrate on the [noun] | 21 |
|
| 10 | [vb base] to concentrate on the [noun] | 21 |
|
