| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | often [adj] [to-vb] the | 83 |
|
| 2 | often [adj] [to-vb] the | 76 |
|
| 3 | often difficult [to-vb] the | 17 |
|
| 4 | often difficult [to-vb] the | 17 |
|
| 5 | often possible [to-vb] the | 9 |
|
| 6 | often possible [to-vb] the | 9 |
|
| 7 | often necessary [to-vb] the | 6 |
|
| 8 | often [adj -er] [to-vb] the | 6 |
|
| 9 | often necessary [to-vb] the | 6 |
|
| 10 | often sufficient [to-vb] the | 5 |
|
| 11 | often [adj] to use the | 5 |
|
| 12 | often sufficient [to-vb] the | 5 |
|
