| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] it | 5946 |
|
| 2 | [prep] it [is] | 2400 |
|
| 3 | [v-ing] it [is] | 777 |
|
| 4 | [prep] [v-ing] [is] | 486 |
|
