| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] concentrate on [noun sg] | 35 |
|
| 2 | [modal v] concentrate on [noun sg] | 35 |
|
| 3 | will concentrate on [noun sg] | 15 |
|
| 4 | will concentrate on [noun sg] | 15 |
|
| 5 | can concentrate on [noun sg] | 5 |
|
| 6 | can concentrate on [noun sg] | 5 |
|
