| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] [pron] [verb] | 233 |
|
| 2 | [be] [v-ing] it [verb] | 204 |
|
| 3 | be [v-ing] it [verb] | 204 |
|
| 4 | is [verb] it [verb] | 127 |
|
| 5 | [is] [v-ing] it [verb] | 53 |
|
