| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [adv] | 7592 |
|
| 2 | [conj] it is [v-ing] | 842 |
|
| 3 | it is [adv] [v-ing] | 595 |
|
| 4 | [conj] is [adv] [v-ing] | 503 |
|
| 5 | [conj] it [adv] [v-ing] | 5 |
|
