| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it is [adv] [verb] | 168 |
|
| 2 | [adv] it [be] [adv] [v-ing] | 139 |
|
| 3 | [adv] it be [adv] [v-ing] | 139 |
|
| 4 | [adv] it [is] [adv] [v-ing] | 114 |
|
| 5 | [adv] [pron] is [adv] [v-ing] | 75 |
|
| 6 | [adv] [pers pn] is [adv] [v-ing] | 52 |
|
| 7 | [adv] it is [adv] [v-ing] | 50 |
|
| 8 | [adv] it is [adv] [v-ing] | 36 |
|
