| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [pron] [adv] [conj] | 664 |
|
| 2 | [v-ing] [pron] [adv] difficult | 101 |
|
| 3 | [pron] [adv] difficult [conj] | 46 |
|
| 4 | [v-ing] [adv] difficult [conj] | 16 |
|
