| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] it [adv] [adj] [conj] | 90 |
|
| 2 | [v-ing] it [adv] [adj] [conj] | 80 |
|
| 3 | [verb] it [adv] difficult [conj] | 36 |
|
| 4 | [v-ing] [pers pn] [adv] difficult [conj] | 9 |
|
| 5 | [v-ing] [pron] [adv] difficult [conj] | 9 |
|
| 6 | [v-ing] it [adv] difficult [conj] | 8 |
|
| 7 | [v-ing] it [adv] difficult [conj] | 8 |
|
| 8 | [v-ing] it [adv] difficult [conj] | 8 |
|
