| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | concentrate just on | 9 |
|
| 2 | [to-vb] just on | 8 |
|
| 3 | [vb infin] just on | 6 |
|
| 4 | [v-ing] just on | 5 |
|
| 5 | [vb pp] just on | 5 |
|
| 6 | [vb -s] just on | 5 |
|
| 7 | [vb past] just on | 5 |
|
