| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [adv] difficult | 464 |
|
| 2 | 's [adv] difficult | 428 |
|
| 3 | 's very difficult | 239 |
|
| 4 | 's very difficult | 239 |
|
| 5 | 's not difficult | 36 |
|
| 6 | 's not difficult | 36 |
|
| 7 | 's [not/n't] difficult | 36 |
|
| 8 | 's quite difficult | 26 |
|
| 9 | 's quite difficult | 26 |
|
| 10 | 's so difficult | 24 |
|
| 11 | 's so difficult | 24 |
|
| 12 | 's more difficult | 22 |
|
| 13 | 's more difficult | 22 |
|
| 14 | 's always difficult | 13 |
|
| 15 | 's extremely difficult | 13 |
|
| 16 | 's always difficult | 13 |
|
| 17 | 's extremely difficult | 13 |
|
| 18 | 's really difficult | 12 |
|
| 19 | 's too difficult | 12 |
|
| 20 | 's really difficult | 12 |
|
| 21 | 's too difficult | 12 |
|
| 22 | 's rather difficult | 10 |
|
| 23 | 's rather difficult | 10 |
|
| 24 | 's terribly difficult | 7 |
|
| 25 | 's terribly difficult | 7 |
|
| 26 | 's often difficult | 7 |
|
| 27 | 's often difficult | 7 |
|
| 28 | 's pretty difficult | 5 |
|
| 29 | 's pretty difficult | 5 |
|
