| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] [adv] [v-ing] | 301 |
|
| 2 | [vb -s] [conj] it [is] [adv] | 207 |
|
| 3 | [vb -s] [conj] it [is] [v-ing] | 71 |
|
| 4 | [vb -s] it [is] [adv] [v-ing] | 51 |
|
