| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] by [v-ing] on the | 40 |
|
| 2 | [vb pp] by [verb] on the | 20 |
|
| 3 | [vb -s] by [verb] on the | 6 |
|
| 4 | [verb] by concentrating on the | 5 |
|
| 5 | [verb] by concentrate on the | 5 |
|
| 6 | begin by [verb] on the | 5 |
|
