| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [v-ing] [prep] [verb] | 487 |
|
| 2 | [am/are] [v-ing] it [prep] | 311 |
|
| 3 | [v-ing] it [prep] [verb] | 107 |
|
| 4 | [am/are] [v-ing] it [verb] | 67 |
|
