| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] useful for [v-ing] | 29 |
|
| 2 | [is] particularly [adj] for [v-ing] | 24 |
|
| 3 | [be] particularly useful for [v-ing] | 18 |
|
| 4 | [is] particularly useful [prep] [v-ing] | 15 |
|
| 5 | [is] particularly useful for [verb] | 10 |
|
