| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [verb] to concentrate on | 103 |
|
| 2 | [pers pn] [vb base] to concentrate on | 59 |
|
| 3 | [pers pn] need [verb] on | 58 |
|
| 4 | [pers pn] need [to-vb] on | 55 |
|
| 5 | [pers pn] need to concentrate on | 11 |
|
| 6 | [pron] need to concentrate on | 10 |
|
| 7 | [pers pn] need concentrate on | 10 |
|
| 8 | [pers pn] need to concentrate [prep] | 10 |
|
| 9 | [pers pn] need to concentrate [prep] | 10 |
|
| 10 | [pers pn] need to concentrate on | 10 |
|
