| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it is | 4621 |
|
| 2 | [v-ing] it [be] | 1358 |
|
| 3 | [v-ing] it be | 1354 |
|
| 4 | [v-ing] [pron] is | 1227 |
|
| 5 | [v-ing] it [is] | 777 |
|
| 6 | [v-ing] [pers pn] is | 626 |
|
| 7 | [v-ing] it is | 388 |
|
