| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [v-ing] [adv] | 393 |
|
| 2 | it is [adv] for | 185 |
|
| 3 | is [v-ing] [adv] for | 121 |
|
| 4 | it is [v-ing] for | 60 |
|
| 5 | it [v-ing] [adv] for | 7 |
|
