| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be difficult [verb] | 2354 |
|
| 2 | [pron] [be] difficult [to-vb] | 2339 |
|
| 3 | [pers pn] [be] difficult [verb] | 2267 |
|
| 4 | it [be] difficult [verb] | 2198 |
|
| 5 | it [be] difficult [verb] | 2198 |
|
| 6 | [pron] [is] difficult [verb] | 1851 |
|
| 7 | [pron] is difficult [verb] | 1559 |
|
| 8 | [pron] [was/were] difficult [verb] | 409 |
|
| 9 | [pron] was difficult [verb] | 392 |
|
| 10 | [pron] 's difficult [verb] | 292 |
|
| 11 | [pron] [be] difficult to see | 237 |
|
| 12 | [pron] [be] difficult see | 237 |
|
| 13 | [pron] [be] difficult know | 105 |
|
| 14 | [pron] [be] difficult to know | 104 |
|
| 15 | [pron] [be] difficult imagine | 99 |
|
| 16 | [pron] [be] difficult to imagine | 99 |
|
| 17 | [pron] [am/are] difficult [verb] | 92 |
|
| 18 | [pron] [be] difficult to believe | 84 |
|
| 19 | [pron] [be] difficult believe | 84 |
|
| 20 | [pron] are difficult [verb] | 81 |
|
| 21 | [Wh det] [be] difficult [verb] | 76 |
|
| 22 | [pron] [be] difficult to say | 74 |
|
| 23 | [pron] [be] difficult say | 74 |
|
| 24 | which [be] difficult [verb] | 71 |
|
| 25 | which [be] difficult [verb] | 71 |
|
| 26 | [pron] [be] difficult get | 68 |
|
| 27 | [pron] [be] difficult to get | 66 |
|
| 28 | [pron] [be] difficult find | 61 |
|
| 29 | [pron] [be] difficult to find | 60 |
|
| 30 | [pron] [be] difficult tell | 56 |
|
