| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is often difficult [verb] | 59 |
|
| 2 | it is often difficult [verb] | 59 |
|
| 3 | it is often difficult [verb] | 59 |
|
| 4 | [pers pn] is often difficult [verb] | 59 |
|
| 5 | [noun] is often difficult [verb] | 17 |
|
| 6 | [noun sg] is often difficult [verb] | 14 |
|
| 7 | is often [adv] difficult [verb] | 14 |
|
| 8 | is often [adv] difficult [verb] | 13 |
|
| 9 | is often very difficult [verb] | 9 |
|
| 10 | is often very difficult [verb] | 9 |
|
| 11 | is often difficult [verb] [art] | 18 |
|
| 12 | is often difficult [verb] [prep] | 18 |
|
| 13 | is often difficult [verb] [prep] | 18 |
|
| 14 | is often difficult [verb] [art] | 18 |
|
| 15 | is often difficult [verb] the | 13 |
|
| 16 | is often difficult [verb] the | 13 |
|
| 17 | is often difficult [verb] [adj] | 10 |
|
| 18 | is often difficult [verb] [adv] | 7 |
|
| 19 | is often difficult [verb] [conj] | 6 |
|
| 20 | is often difficult [verb] [det] | 5 |
|
| 21 | is often difficult [verb] [subord] | 5 |
|
| 22 | is often difficult [verb] [noun] | 5 |
|
| 23 | is often difficult [verb] from | 5 |
|
| 24 | is often difficult [verb] from | 5 |
|
| 25 | is often difficult [verb] [adj] | 5 |
|
