| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | find it difficult at | 6 |
|
| 2 | [verb] it difficult at | 6 |
|
| 3 | it [be] difficult at | 14 |
|
| 4 | it be difficult at | 14 |
|
| 5 | it [is] difficult at | 10 |
|
| 6 | it is difficult at | 8 |
|
| 7 | it difficult [to-vb] at | 6 |
|
| 8 | it difficult [verb] at | 6 |
|
| 9 | it difficult at [adj] | 5 |
|
| 10 | it difficult at first | 5 |
|
| 11 | it difficult at first | 5 |
|
| 12 | it difficult at [num ord] | 5 |
|
