| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [conj] it [is] [adv] | 594 |
|
| 2 | [conj] it [is] [adv] [v-ing] | 534 |
|
| 3 | [conj] [conj] it [is] [v-ing] | 121 |
|
