| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [conj] it [is] [verb] | 465 |
|
| 2 | [v-ing] [conj] it [is] [verb] | 78 |
|
| 3 | [conj] [v-ing] [conj] it [verb] | 58 |
|
| 4 | [conj] [v-ing] [conj] it [is] | 48 |
|
