| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it is [adv] [verb] | 144 |
|
| 2 | [v-ing] [pron] is [adv] [verb] | 51 |
|
| 3 | [v-ing] it be [adv] [verb] | 49 |
|
| 4 | [v-ing] it [be] [adv] [verb] | 49 |
|
| 5 | [v-ing] it [is] [adv] [verb] | 35 |
|
