| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it is [adv] [v-ing] | 68 |
|
| 2 | it is [adv] [v-ing] to | 34 |
|
| 3 | [coord] is [adv] [v-ing] to | 22 |
|
| 4 | [coord] it is [v-ing] to | 10 |
|
| 5 | [coord] it is [adv] to | 9 |
|
