| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | difficulty [prep] [v-ing] to [art] [adj] | 9 |
|
| 2 | difficulty [prep] [verb] to [art] [adj] | 9 |
|
| 3 | difficulty [prep] [verb] to [art] [adj] | 9 |
|
| 4 | difficulty [prep] [verb] to [art] [adj] | 9 |
|
| 5 | difficulty [prep] [verb] to [art] [adj] | 8 |
|
| 6 | difficulty in [verb] to [art] [adj] | 8 |
|
| 7 | difficulty in [verb] to [art] [adj] | 8 |
|
| 8 | difficulty [prep] [verb] to the [adj] | 7 |
|
| 9 | difficulty [prep] [verb] to the [adj] | 7 |
|
| 10 | difficulty [prep] [verb] to [art] [adj] | 6 |
|
| 11 | difficulty [prep] adjust to [art] [adj] | 5 |
|
| 12 | difficulty [prep] adjusting to [art] [adj] | 5 |
|
