| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] difficulty [prep] [v-ing] [noun] [adv] | 11 |
|
| 2 | [art] difficulty [prep] [v-ing] [noun] [adv] | 11 |
|
| 3 | the difficulty [prep] [v-ing] [noun] [adv] | 8 |
|
| 4 | the difficulty [prep] [v-ing] [noun] [adv] | 8 |
|
| 5 | [adj] difficulty [prep] [v-ing] [noun] [adv] | 6 |
|
| 6 | difficulty [prep] [v-ing] [art] [noun] [adv] | 18 |
|
| 7 | difficulty [prep] [v-ing] [art] [noun] [adv] | 18 |
|
| 8 | difficulty [prep] [v-ing] the [noun] [adv] | 11 |
|
| 9 | difficulty [prep] [v-ing] the [noun] [adv] | 11 |
|
| 10 | difficulty [prep] [v-ing] [adj] [noun] [adv] | 9 |
|
| 11 | difficulty [prep] [v-ing] a [noun] [adv] | 7 |
|
| 12 | difficulty [prep] [v-ing] a [noun] [adv] | 7 |
|
| 13 | difficulty [prep] [v-ing] [adj] [noun] [adv] | 6 |
|
| 14 | difficulty [prep] [v-ing] [pron] [noun] [adv] | 5 |
|
| 15 | difficulty [prep] [v-ing] [pos pn] [noun] [adv] | 5 |
|
| 16 | difficulty [prep] [v-ing] [noun] [verb] [adv] | 5 |
|
| 17 | difficulty [prep] [v-ing] [noun] [adv] [prep] | 9 |
|
| 18 | difficulty [prep] [v-ing] [noun] [adv] [prep] | 9 |
|
