| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adv] [v-ing] [prep] | 12673 |
|
| 2 | be [adv] [v-ing] [prep] | 12671 |
|
| 3 | [am/are] [adv] [v-ing] [prep] | 4847 |
|
| 4 | 'm [adv] [verb] [prep] | 1399 |
|
