| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [v-ing] [prep] | 17872 |
|
| 2 | [am/are] [v-ing] [adv] | 5723 |
|
| 3 | [v-ing] [prep] [adv] | 4727 |
|
| 4 | [am/are] [prep] [adv] | 1054 |
|
