| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] 've concentrate on | 8 |
|
| 2 | [pron] 've concentrate on | 8 |
|
| 3 | 've [be] concentrate on | 7 |
|
| 4 | 've [been] concentrate on | 7 |
|
| 5 | 've be concentrate on | 7 |
|
| 6 | 've [verb] concentrate on | 7 |
|
| 7 | 've [vb pp] concentrate on | 7 |
|
| 8 | 've been concentrate on | 7 |
|
| 9 | 've got concentrate on | 6 |
|
| 10 | 've get concentrate on | 6 |
|
