| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had difficulty [v-ing] | 42 |
|
| 2 | [pers pn] had difficulty [v-ing] | 39 |
|
| 3 | he had [noun] [v-ing] | 26 |
|
| 4 | he [verb] difficulty [v-ing] | 13 |
|
| 5 | he [vb past] difficulty [v-ing] | 12 |
|
| 6 | he have difficulty [v-ing] | 12 |
|
| 7 | he had difficulty [v-ing] | 11 |
|
| 8 | he had difficulty [verb] | 11 |
|
