| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [prep] [v-ing] | 1727 |
|
| 2 | and it [is] [prep] | 730 |
|
| 3 | and it [is] [v-ing] | 428 |
|
| 4 | and [is] [prep] [v-ing] | 14 |
|
