| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb past] it difficult | 40 |
|
| 2 | [adv] [vb past] [pers pn] difficult | 40 |
|
| 3 | [adv] [vb past] it difficult | 40 |
|
| 4 | [adv] [vb past] [pron] difficult | 39 |
|
| 5 | [adv] found [pron] difficult | 36 |
|
| 6 | still [vb past] [pron] difficult | 9 |
|
| 7 | still [vb past] [pron] difficult | 9 |
|
| 8 | often [vb past] [pron] difficult | 5 |
|
| 9 | sometimes [vb past] [pron] difficult | 5 |
|
| 10 | also [vb past] [pron] difficult | 5 |
|
| 11 | sometimes [vb past] [pron] difficult | 5 |
|
| 12 | often [vb past] [pron] difficult | 5 |
|
| 13 | also [vb past] [pron] difficult | 5 |
|
