| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [verb] on [art] [noun pl] | 102 |
|
| 2 | [vb base] [vb pp] on [art] [noun pl] | 52 |
|
| 3 | [vb base] concentrated on [art] [noun] | 25 |
|
| 4 | [verb] concentrated on [art] [noun pl] | 13 |
|
| 5 | [vb base] concentrate on [art] [noun pl] | 12 |
|
| 6 | [vb base] concentrated [prep] [art] [noun pl] | 8 |
|
| 7 | [vb base] concentrated on [art] [noun pl] | 7 |
|
