| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] it [is] [verb] | 79 |
|
| 2 | is [v-ing] [is] [verb] | 37 |
|
| 3 | is [v-ing] it [is] | 31 |
|
| 4 | is [v-ing] it [verb] | 30 |
|
| 5 | is it [is] [verb] | 21 |
|
