| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [prep] [verb] | 1240 |
|
| 2 | it is [prep] [v-ing] | 1207 |
|
| 3 | it be [prep] going | 33 |
|
| 4 | it [be] [prep] going | 33 |
|
| 5 | it [is] [prep] going | 21 |
|
| 6 | [pron] is [prep] going | 8 |
|
| 7 | it is [prep] going | 7 |
|
| 8 | it is [prep] go | 7 |
|
