| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it [is] [adv] | 4347 |
|
| 2 | it [is] [adv] [v-ing] | 2153 |
|
| 3 | [adv] it [is] [v-ing] | 655 |
|
| 4 | [adv] [is] [adv] [v-ing] | 124 |
|
