| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] [adv] | 11780 |
|
| 2 | [conj] it [is] [v-ing] | 1906 |
|
| 3 | it [is] [adv] [v-ing] | 1372 |
|
| 4 | [conj] [is] [adv] [v-ing] | 539 |
|
| 5 | [conj] it [adv] [v-ing] | 5 |
|
