| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [pers pn] [adv] [conj] | 533 |
|
| 2 | [v-ing] [pers pn] [adv] difficult | 100 |
|
| 3 | [pers pn] [adv] difficult [conj] | 41 |
|
| 4 | [v-ing] [adv] difficult [conj] | 16 |
|
