| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adj] [conj] it is | 745 |
|
| 2 | [adv] [conj] it is [v-ing] | 63 |
|
| 3 | [adj] [conj] it is [v-ing] | 53 |
|
| 4 | [adv] [adj] [conj] is [v-ing] | 21 |
|
