| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [prep] [verb] | 1791 |
|
| 2 | it [is] [prep] [v-ing] | 1727 |
|
| 3 | it [be] [prep] having | 58 |
|
| 4 | it [is] [prep] have | 47 |
|
| 5 | [pron] [is] [prep] having | 41 |
|
| 6 | it [is] [prep] having | 37 |
|
