| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [v-ing] [adv] [prep] | 81 |
|
| 2 | it be [v-ing] [adv] for | 38 |
|
| 3 | it [be] [v-ing] [adv] for | 38 |
|
| 4 | it is [verb] [adv] for | 33 |
|
| 5 | [pron] is [v-ing] [adv] for | 29 |
|
| 6 | it [is] [v-ing] [adv] for | 19 |
|
| 7 | [pers pn] is [v-ing] [adv] for | 16 |
|
| 8 | it is [v-ing] [adv] for | 6 |
|
