| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [verb] it difficult | 21 |
|
| 2 | they find [pers pn] difficult | 20 |
|
| 3 | they [vb past] [pers pn] difficult | 11 |
|
| 4 | they found [pers pn] difficult | 11 |
|
| 5 | they [vb base] [pers pn] difficult | 10 |
|
| 6 | they find [pers pn] difficult | 9 |
|
