| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] for [verb] the | 131 |
|
| 2 | [be] useful for [verb] the | 22 |
|
| 3 | be useful for [verb] the | 22 |
|
| 4 | is useful [prep] [verb] the | 18 |
|
| 5 | is useful [prep] [verb] the | 18 |
|
| 6 | is useful for [verb] [art] | 11 |
|
| 7 | is useful for [verb] the | 9 |
|
| 8 | [is] useful for [verb] the | 9 |
|
