| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a way [prep] [v-ing] | 85 |
|
| 2 | a useful way [prep] [v-ing] | 59 |
|
| 3 | [adv] useful way [prep] [v-ing] | 10 |
|
| 4 | [adv] a useful way [prep] | 5 |
|
