| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [conj] it | 422 |
|
| 2 | be [v-ing] [conj] it | 316 |
|
| 3 | [be] [v-ing] [conj] it | 316 |
|
| 4 | is [v-ing] [conj] [pron] | 285 |
|
| 5 | [is] [v-ing] [conj] it | 79 |
|
