| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [conj] it is | 5196 |
|
| 2 | [conj] it is [v-ing] | 842 |
|
| 3 | [verb] it is [v-ing] | 226 |
|
| 4 | [verb] [conj] is [v-ing] | 98 |
|
