| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | difficulty in [v-ing] [pron] [prep] | 27 |
|
| 2 | difficulty in [verb] [pron] [prep] | 27 |
|
| 3 | difficulty in [verb] [pron] [prep] | 23 |
|
| 4 | difficulty in [verb] [pers pn] [prep] | 18 |
|
| 5 | difficulty in [verb] it [prep] | 8 |
|
| 6 | difficulty in [verb] it [prep] | 8 |
|
| 7 | difficulty in [verb] [pn reflx] [prep] | 8 |
|
| 8 | difficulty in [verb] [pron] to | 6 |
|
| 9 | difficulty in [verb] them [prep] | 5 |
|
| 10 | difficulty in [verb] [pron] from | 5 |
|
| 11 | difficulty in [verb] him [prep] | 5 |
|
| 12 | difficulty in [verb] he [prep] | 5 |
|
| 13 | difficulty in [verb] they [prep] | 5 |
|
