| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] [adv] difficult [to-vb] | 782 |
|
| 2 | [pers pn] [is] [adv] difficult [verb] | 761 |
|
| 3 | it [is] [adv] difficult [verb] | 757 |
|
| 4 | it [is] [adv] difficult [verb] | 757 |
|
| 5 | [pron] is [adv] difficult [verb] | 586 |
|
| 6 | [pron] [is] very difficult [verb] | 293 |
|
| 7 | [pron] 's [adv] difficult [verb] | 205 |
|
| 8 | [pron] [is] extremely difficult [verb] | 78 |
|
| 9 | [pron] [is] more difficult [verb] | 72 |
|
| 10 | [pron] [is] often difficult [verb] | 62 |
|
| 11 | [pron] [is] [adv] difficult get | 40 |
|
| 12 | [pron] [is] [adv] difficult to get | 37 |
|
| 13 | [pron] [is] [adv] difficult to find | 35 |
|
| 14 | [pron] [is] [adv] difficult find | 35 |
|
| 15 | [pron] [is] [adv] difficult to make | 29 |
|
| 16 | [pron] [is] [adv] difficult make | 29 |
|
| 17 | [pron] [is] [adv] difficult to see | 28 |
|
| 18 | [pron] [is] [adv] difficult see | 28 |
|
| 19 | [pron] [is] so difficult [verb] | 27 |
|
| 20 | [Wh det] [is] [adv] difficult [verb] | 26 |
|
| 21 | [pron] [is] always difficult [verb] | 25 |
|
| 22 | [pron] [is] sometimes difficult [verb] | 25 |
|
| 23 | [pron] [is] [adv] difficult to say | 24 |
|
| 24 | [pron] [is] [adv] difficult say | 24 |
|
| 25 | [pron] [is] quite difficult [verb] | 21 |
|
| 26 | [pron] [is] [adv] difficult to know | 20 |
|
| 27 | [pron] [is] [adv] difficult know | 20 |
|
| 28 | which [is] [adv] difficult [verb] | 19 |
|
| 29 | which [is] [adv] difficult [verb] | 19 |
|
| 30 | [pron] [is] also difficult [verb] | 17 |
|
